57137572872 has 48 divisors (see below), whose sum is σ = 159739457280. Its totient is φ = 18431474400.

The previous prime is 57137572861. The next prime is 57137572873. The reversal of 57137572872 is 27827573175.

57137572872 is a `hidden beast` number, since 57 + 13 + 7 + 572 + 8 + 7 + 2 = 666.

It is a super-2 number, since 2×57137572872² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57137572873) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12797404 + ... + 12801867.

It is an arithmetic number, because the mean of its divisors is an integer number (3327905360).

Almost surely, 2^57137572872 is an apocalyptic number.

It is an amenable number.

57137572872 is an abundant number, since it is smaller than the sum of its proper divisors (102601884408).

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

57137572872 is a wasteful number, since it uses less digits than its factorization.

57137572872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25599314 (or 25599307 counting only the distinct ones).

The product of its digits is 5762400, while the sum is 54.

The spelling of 57137572872 in words is "fifty-seven billion, one hundred thirty-seven million, five hundred seventy-two thousand, eight hundred seventy-two".