57512931476 has 72 divisors (see below), whose sum is σ = 135877904064. Its totient is φ = 20683952640.

The previous prime is 57512931431. The next prime is 57512931481. The reversal of 57512931476 is 67413921575.

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, 500405 + ... + 604508.

It is an arithmetic number, because the mean of its divisors is an integer number (1887193112).

Almost surely, 2^57512931476 is an apocalyptic number.

It is an amenable number.

57512931476 is an abundant number, since it is smaller than the sum of its proper divisors (78364972588).

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

57512931476 is a wasteful number, since it uses less digits than its factorization.

57512931476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1104961 (or 1104946 counting only the distinct ones).

The product of its digits is 1587600, while the sum is 50.

Subtracting 57512931476 from its reverse (67413921575), we obtain a palindrome (9900990099).

The spelling of 57512931476 in words is "fifty-seven billion, five hundred twelve million, nine hundred thirty-one thousand, four hundred seventy-six".