57439376 has 20 divisors (see below), whose sum is σ = 111509232. Its totient is φ = 28662816.

The previous prime is 57439367. The next prime is 57439381. The reversal of 57439376 is 67393475.

It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.

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, 5471 + ... + 12033.

Almost surely, 2^57439376 is an apocalyptic number.

57439376 is the 4376-th octagonal number.

It is an amenable number.

57439376 is a deficient number, since it is larger than the sum of its proper divisors (54069856).

57439376 is a wasteful number, since it uses less digits than its factorization.

57439376 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7118 (or 7112 counting only the distinct ones).

The product of its digits is 476280, while the sum is 44.

The square root of 57439376 is about 7578.8769616613. The cubic root of 57439376 is about 385.8364363794.

The spelling of 57439376 in words is "fifty-seven million, four hundred thirty-nine thousand, three hundred seventy-six".