51057542232 has 96 divisors (see below), whose sum is σ = 138783630960. Its totient is φ = 16957440000.

The previous prime is 51057542183. The next prime is 51057542329. The reversal of 51057542232 is 23224575015.

51057542232 is a `hidden beast` number, since 5 + 10 + 575 + 42 + 2 + 32 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31890232 + ... + 31891832.

Almost surely, 2^51057542232 is an apocalyptic number.

It is an amenable number.

51057542232 is an abundant number, since it is smaller than the sum of its proper divisors (87726088728).

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

51057542232 is a wasteful number, since it uses less digits than its factorization.

51057542232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2945 (or 2938 counting only the distinct ones).

The product of its (nonzero) digits is 84000, while the sum is 36.

The spelling of 51057542232 in words is "fifty-one billion, fifty-seven million, five hundred forty-two thousand, two hundred thirty-two".