57090604 has 12 divisors (see below), whose sum is σ = 100059624. Its totient is φ = 28502144.

The previous prime is 57090601. The next prime is 57090613. The reversal of 57090604 is 40609075.

It is not an unprimeable number, because it can be changed into a prime (57090601) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7717 + ... + 13180.

It is an arithmetic number, because the mean of its divisors is an integer number (8338302).

Almost surely, 2^57090604 is an apocalyptic number.

It is an amenable number.

57090604 is a deficient number, since it is larger than the sum of its proper divisors (42969020).

57090604 is a wasteful number, since it uses less digits than its factorization.

57090604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21584 (or 21582 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 57090604 is about 7555.8324491746. The cubic root of 57090604 is about 385.0539172253.

Adding to 57090604 its reverse (40609075), we get a palindrome (97699679).

It can be divided in two parts, 57090 and 604, that multiplied together give a triangular number (34482360 = T₈₃₀₄).

The spelling of 57090604 in words is "fifty-seven million, ninety thousand, six hundred four".