57311264 has 24 divisors (see below), whose sum is σ = 114519888. Its totient is φ = 28226880.

The previous prime is 57311237. The next prime is 57311273. The reversal of 57311264 is 46211375.

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, 11222 + ... + 15509.

It is an arithmetic number, because the mean of its divisors is an integer number (4771662).

Almost surely, 2^57311264 is an apocalyptic number.

It is an amenable number.

57311264 is a deficient number, since it is larger than the sum of its proper divisors (57208624).

57311264 is a wasteful number, since it uses less digits than its factorization.

57311264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26808 (or 26800 counting only the distinct ones).

The product of its digits is 5040, while the sum is 29.

The square root of 57311264 is about 7570.4203317914. The cubic root of 57311264 is about 385.5493680758.

It can be divided in two parts, 57311 and 264, that added together give a palindrome (57575).

The spelling of 57311264 in words is "fifty-seven million, three hundred eleven thousand, two hundred sixty-four".