57875631 has 12 divisors (see below), whose sum is σ = 84821016. Its totient is φ = 35075920.

The previous prime is 57875627. The next prime is 57875647. The reversal of 57875631 is 13657875.

It is not a de Polignac number, because 57875631 - 2² = 57875627 is a prime.

It is a super-2 number, since 2×57875631² = 6699177327296322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57875611) 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, 79356 + ... + 80081.

It is an arithmetic number, because the mean of its divisors is an integer number (7068418).

Almost surely, 2^57875631 is an apocalyptic number.

57875631 is a deficient number, since it is larger than the sum of its proper divisors (26945385).

57875631 is a wasteful number, since it uses less digits than its factorization.

57875631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159462 (or 159451 counting only the distinct ones).

The product of its digits is 176400, while the sum is 42.

The square root of 57875631 is about 7607.6034991316. The cubic root of 57875631 is about 386.8107895989.

The spelling of 57875631 in words is "fifty-seven million, eight hundred seventy-five thousand, six hundred thirty-one".