57391068 has 48 divisors (see below), whose sum is σ = 156611840. Its totient is φ = 16015104.

The previous prime is 57390979. The next prime is 57391069. The reversal of 57391068 is 86019375.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57391069) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4333 + ... + 11556.

Almost surely, 2^57391068 is an apocalyptic number.

It is an amenable number.

57391068 is an abundant number, since it is smaller than the sum of its proper divisors (99220772).

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

57391068 is a wasteful number, since it uses less digits than its factorization.

57391068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15946 (or 15944 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 57391068 is about 7575.6892755709. The cubic root of 57391068 is about 385.7282399028.

The spelling of 57391068 in words is "fifty-seven million, three hundred ninety-one thousand, sixty-eight".