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55858908 = 22371494463
BaseRepresentation
bin1101010100010…
…1011011011100
310220002221000110
43111011123130
5103244441113
65313130020
71245535650
oct325053334
9126087013
1055858908
1129592696
1216859910
13b75a111
1475c0a60
154d85bc3
hex35456dc

55858908 has 48 divisors (see below), whose sum is σ = 149990400. Its totient is φ = 15849024.

The previous prime is 55858897. The next prime is 55858939. The reversal of 55858908 is 80985855.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10285 + ... + 14747.

It is an arithmetic number, because the mean of its divisors is an integer number (3124800).

Almost surely, 255858908 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55858908, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74995200).

55858908 is an abundant number, since it is smaller than the sum of its proper divisors (94131492).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55858908 is a wasteful number, since it uses less digits than its factorization.

55858908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4626 (or 4624 counting only the distinct ones).

The product of its (nonzero) digits is 576000, while the sum is 48.

The square root of 55858908 is about 7473.8817223716. The cubic root of 55858908 is about 382.2646576561.

The spelling of 55858908 in words is "fifty-five million, eight hundred fifty-eight thousand, nine hundred eight".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 149 298 447 596 894 1043 1788 2086 3129 4172 4463 6258 8926 12516 13389 17852 26778 31241 53556 62482 93723 124964 187446 374892 664987 1329974 1994961 2659948 3989922 4654909 7979844 9309818 13964727 18619636 27929454 55858908