57149204 has 24 divisors (see below), whose sum is σ = 119269248. Its totient is φ = 23427360.

The previous prime is 57149177. The next prime is 57149219. The reversal of 57149204 is 40294175.

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, 43727 + ... + 45014.

It is an arithmetic number, because the mean of its divisors is an integer number (4969552).

Almost surely, 2^57149204 is an apocalyptic number.

It is an amenable number.

57149204 is an abundant number, since it is smaller than the sum of its proper divisors (62120044).

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

57149204 is a wasteful number, since it uses less digits than its factorization.

57149204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88775 (or 88773 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 57149204 is about 7559.7092536684. The cubic root of 57149204 is about 385.1856169104.

The spelling of 57149204 in words is "fifty-seven million, one hundred forty-nine thousand, two hundred four".