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54565989708 = 22329156798821
BaseRepresentation
bin110010110100011000…
…101110110101001100
312012211210112110222210
4302310120232311030
51343222343132313
641022310310420
73641124155046
oct626430566514
9165753473883
1054565989708
112116109576a
12a6aa058410
1351b7a0c899
1428d8cd6a96
15164566a9c3
hexcb462ed4c

54565989708 has 24 divisors (see below), whose sum is σ = 131711010480. Its totient is φ = 17561467840.

The previous prime is 54565989707. The next prime is 54565989713. The reversal of 54565989708 is 80798956545.

54565989708 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (54565989707) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78399063 + ... + 78399758.

It is an arithmetic number, because the mean of its divisors is an integer number (5487958770).

Almost surely, 254565989708 is an apocalyptic number.

54565989708 is a gapful number since it is divisible by the number (58) formed by its first and last digit.

It is an amenable number.

54565989708 is an abundant number, since it is smaller than the sum of its proper divisors (77145020772).

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

54565989708 is a wasteful number, since it uses less digits than its factorization.

54565989708 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156798857 (or 156798855 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 66.

The spelling of 54565989708 in words is "fifty-four billion, five hundred sixty-five million, nine hundred eighty-nine thousand, seven hundred eight".

Divisors: 1 2 3 4 6 12 29 58 87 116 174 348 156798821 313597642 470396463 627195284 940792926 1881585852 4547165809 9094331618 13641497427 18188663236 27282994854 54565989708