57642318 has 12 divisors (see below), whose sum is σ = 124891728. Its totient is φ = 19214100.

The previous prime is 57642307. The next prime is 57642331. The reversal of 57642318 is 81324675.

57642318 is a `hidden beast` number, since 5 + 7 + 642 + 3 + 1 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1601158 + ... + 1601193.

It is an arithmetic number, because the mean of its divisors is an integer number (10407644).

Almost surely, 2^57642318 is an apocalyptic number.

57642318 is an abundant number, since it is smaller than the sum of its proper divisors (67249410).

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

57642318 is a wasteful number, since it uses less digits than its factorization.

57642318 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3202359 (or 3202356 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 57642318 is about 7592.2538155675. The cubic root of 57642318 is about 386.2903084210.

The spelling of 57642318 in words is "fifty-seven million, six hundred forty-two thousand, three hundred eighteen".