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55837641672 = 23326731152337
BaseRepresentation
bin110100000000001011…
…101100101111001000
312100010102101002112200
4310000023230233020
51403323414013142
641352414240200
74014465060141
oct640013545710
9170112332480
1055837641672
11217539906aa
12a9a3ab6060
13535b300777
1429b9b58ac8
1516bc10b64c
hexd002ecbc8

55837641672 has 48 divisors (see below), whose sum is σ = 151451783340. Its totient is φ = 18584875008.

The previous prime is 55837641661. The next prime is 55837641773. The reversal of 55837641672 is 27614673855.

55837641672 is a `hidden beast` number, since 558 + 3 + 7 + 6 + 4 + 16 + 72 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 51000995556 + 4836646116 = 225834^2 + 69546^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 527713 + ... + 624624.

Almost surely, 255837641672 is an apocalyptic number.

It is an amenable number.

55837641672 is an abundant number, since it is smaller than the sum of its proper divisors (95614141668).

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

55837641672 is a wasteful number, since it uses less digits than its factorization.

55837641672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1153022 (or 1153015 counting only the distinct ones).

The product of its digits is 8467200, while the sum is 54.

The spelling of 55837641672 in words is "fifty-five billion, eight hundred thirty-seven million, six hundred forty-one thousand, six hundred seventy-two".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 673 1346 2019 2692 4038 5384 6057 8076 12114 16152 24228 48456 1152337 2304674 3457011 4609348 6914022 9218696 10371033 13828044 20742066 27656088 41484132 82968264 775522801 1551045602 2326568403 3102091204 4653136806 6204182408 6979705209 9306273612 13959410418 18612547224 27918820836 55837641672