57128852 has 24 divisors (see below), whose sum is σ = 109281312. Its totient is φ = 25916000.

The previous prime is 57128843. The next prime is 57128873. The reversal of 57128852 is 25882175.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29102 + ... + 31002.

It is an arithmetic number, because the mean of its divisors is an integer number (4553388).

Almost surely, 2^57128852 is an apocalyptic number.

It is an amenable number.

57128852 is a deficient number, since it is larger than the sum of its proper divisors (52152460).

57128852 is a wasteful number, since it uses less digits than its factorization.

57128852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2599 (or 2597 counting only the distinct ones).

The product of its digits is 44800, while the sum is 38.

The square root of 57128852 is about 7558.3630502907. The cubic root of 57128852 is about 385.1398873237.

The spelling of 57128852 in words is "fifty-seven million, one hundred twenty-eight thousand, eight hundred fifty-two".