57204004 has 48 divisors (see below), whose sum is σ = 118935936. Its totient is φ = 23731200.

The previous prime is 57203987. The next prime is 57204023. The reversal of 57204004 is 40040275.

57204004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (22).

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 15 ways as a sum of consecutive naturals, for example, 54969 + ... + 55999.

It is an arithmetic number, because the mean of its divisors is an integer number (2477832).

Almost surely, 2^57204004 is an apocalyptic number.

It is an amenable number.

57204004 is an abundant number, since it is smaller than the sum of its proper divisors (61731932).

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

57204004 is a wasteful number, since it uses less digits than its factorization.

57204004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156 (or 1154 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 57204004 is about 7563.3328632290. The cubic root of 57204004 is about 385.3086949068.

Adding to 57204004 its reverse (40040275), we get a palindrome (97244279).

The spelling of 57204004 in words is "fifty-seven million, two hundred four thousand, four".