57128 has 16 divisors (see below), whose sum is σ = 110580. Its totient is φ = 27648.

The previous prime is 57119. The next prime is 57131. The reversal of 57128 is 82175.

It can be written as a sum of positive squares in 2 ways, for example, as 56644 + 484 = 238^2 + 22^2 .

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, 200 + ... + 392.

2⁵⁷¹²⁸ is an apocalyptic number.

It is an amenable number.

57128 is a deficient number, since it is larger than the sum of its proper divisors (53452).

57128 is a wasteful number, since it uses less digits than its factorization.

57128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 232 counting only the distinct ones).

The product of its digits is 560, while the sum is 23.

The square root of 57128 is about 239.0146439028. The cubic root of 57128 is about 38.5137972700.

The spelling of 57128 in words is "fifty-seven thousand, one hundred twenty-eight".