57306304 has 28 divisors (see below), whose sum is σ = 124056648. Its totient is φ = 26048000.

The previous prime is 57306281. The next prime is 57306307. The reversal of 57306304 is 40360375.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (57306307) 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, 39997 + ... + 41404.

Almost surely, 2^57306304 is an apocalyptic number.

It is an amenable number.

57306304 is an abundant number, since it is smaller than the sum of its proper divisors (66750344).

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

57306304 is a wasteful number, since it uses less digits than its factorization.

57306304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81424 (or 81414 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 28.

The square root of 57306304 is about 7570.0927339102. The cubic root of 57306304 is about 385.5382453057.

Adding to 57306304 its reverse (40360375), we get a palindrome (97666679).

The spelling of 57306304 in words is "fifty-seven million, three hundred six thousand, three hundred four".