57312044 has 12 divisors (see below), whose sum is σ = 104656944. Its totient is φ = 27410064.

The previous prime is 57312029. The next prime is 57312061. The reversal of 57312044 is 44021375.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 311387 + ... + 311570.

It is an arithmetic number, because the mean of its divisors is an integer number (8721412).

Almost surely, 2^57312044 is an apocalyptic number.

It is an amenable number.

57312044 is a deficient number, since it is larger than the sum of its proper divisors (47344900).

57312044 is a wasteful number, since it uses less digits than its factorization.

57312044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622984 (or 622982 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 57312044 is about 7570.4718479101. The cubic root of 57312044 is about 385.5511171627.

The spelling of 57312044 in words is "fifty-seven million, three hundred twelve thousand, forty-four".