57257604 has 36 divisors (see below), whose sum is σ = 150097584. Its totient is φ = 19085544.

The previous prime is 57257579. The next prime is 57257617. The reversal of 57257604 is 40675275.

57257604 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 28482 + ... + 30425.

Almost surely, 2^57257604 is an apocalyptic number.

57257604 is a gapful number since it is divisible by the number (54) formed by its first and last digit.

It is an amenable number.

57257604 is an abundant number, since it is smaller than the sum of its proper divisors (92839980).

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

57257604 is a wasteful number, since it uses less digits than its factorization.

57257604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58926 (or 58912 counting only the distinct ones).

The product of its (nonzero) digits is 58800, while the sum is 36.

The square root of 57257604 is about 7566.8754449905. The cubic root of 57257604 is about 385.4290017473.

The spelling of 57257604 in words is "fifty-seven million, two hundred fifty-seven thousand, six hundred four".