57031044 has 24 divisors (see below), whose sum is σ = 152083008. Its totient is φ = 16294560.

The previous prime is 57031019. The next prime is 57031049. The reversal of 57031044 is 44013075.

It is not an unprimeable number, because it can be changed into a prime (57031049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339387 + ... + 339554.

It is an arithmetic number, because the mean of its divisors is an integer number (6336792).

Almost surely, 2^57031044 is an apocalyptic number.

It is an amenable number.

57031044 is an abundant number, since it is smaller than the sum of its proper divisors (95051964).

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

57031044 is a wasteful number, since it uses less digits than its factorization.

57031044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678955 (or 678953 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 57031044 is about 7551.8900945392. The cubic root of 57031044 is about 384.9199676225.

The spelling of 57031044 in words is "fifty-seven million, thirty-one thousand, forty-four".