Number

55,550

Positive
Even
Composite
5 digits

55,550 is an even 5-digit integer and a composite number. It has 24 divisors and a digital root of 2.

Number properties

ParityEvendivisible by 2

SignPositive

PrimalityComposite

Absolute value55,550

Digit count5

Digit sum20

Digital root2repeated digit sum

PalindromicNoreads differently backwards

Happy numberYessquared-digit sums reach 1

Harshad numberNodivisible by its own digit sum

Factors & divisors

Prime factorisation2 × 5^2 × 11 × 101

Distinct prime factors42, 5, 11, 101

Number of divisors24

Sum of divisors σ(n)113,832

Aliquot sum58,282sum of the proper divisors

ClassificationAbundantthe aliquot sum exceeds the number

Euler's totient φ(n)20,000integers below n that share no factor with it

SquarefreeNohas a repeated prime factor

All divisors1, 2, 5, 10, 11, 22, 25, 50, 55, 101, 110, 202, 275, 505, 550, 1,010, 1,111, 2,222, 2,525, 5,050, 5,555, 11,110, 27,775, 55,55024 in total

Arithmetic

Previous number55,549

Next number55,551

Double111,100

Half27,775

Square3,085,802,500

Cube171,416,328,875,000

Square root235.690474988≈irrational, shown to 9 decimal places

Cube root38.155869471≈

Negation-55,550

Reciprocal0.0000180018≈

Representations

Decimal55,550

Binary110110001111111016 bits

Octal154376

HexadecimalD8FE

Base 3616V2

Roman numeralNot defined above 3,999there is no agreed standard notation

In wordsfifty-five thousand, five hundred and fifty

Ordinalfifty-five thousand, five hundred and fiftieth

Scientific notation5.555 × 10^4

Engineering notation55.55 × 10^3

Nearest landmarks

Next prime55,579+29

Previous prime55,547−3

Distance to nearest prime3

Nearest square below55,225

Nearest square above55,696

Powers & multiples

55,550 to the power 23,085,802,500

55,550 to the power 3171,416,328,875,000

55,550 to the power 49,522,177,069,006,250,000

55,550 to the power 5528,956,936,183,297,187,500,000

First ten multiples55,550, 111,100, 166,650, 222,200, 277,750, 333,300, 388,850, 444,400, 499,950, 555,500

Powers of twoBetween 2^15 (32,768) and 2^16 (65,536)

Divisibility tests

Divisible by 2Yes

Divisible by 3No, remainder 2

Divisible by 4No, remainder 2

Divisible by 5Yes

Divisible by 6No, remainder 2

Divisible by 7No, remainder 5

Divisible by 8No, remainder 6

Divisible by 9No, remainder 2

Divisible by 10Yes

Divisible by 11Yes

Divisible by 12No, remainder 2

Divisible by 100No, remainder 50

Collatz (3n + 1) trajectory

Steps to reach 1184the total stopping time

Highest value reached1,801,92432× the starting value

Reaches 1Yesthe Collatz conjecture says every positive integer does, but it is unproven

First steps55,550 → 27,775 → 83,326 → 41,663 → 124,990 → 62,495 → 187,486 → 93,743 → 281,230 → 140,615 → …

Last steps… → 5 → 16 → 8 → 4 → 2 → 1

As a percentage & fraction

As a percentage5,555,000%

55,550% as a decimal555.5

55,550% of 10055,550

55,550% of 1,000555,500

As a fraction of 10055,550/100

Read another way

As seconds15 hours, 25 minutes and 50 seconds

As bytes54.248 KiB

As a 24-bit colour#00D8FE

Keep nerding

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