57266804 has 24 divisors (see below), whose sum is σ = 114703680. Its totient is φ = 24506496.

The previous prime is 57266801. The next prime is 57266813. The reversal of 57266804 is 40866275.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57266801) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27239 + ... + 29265.

It is an arithmetic number, because the mean of its divisors is an integer number (4779320).

Almost surely, 2^57266804 is an apocalyptic number.

It is an amenable number.

57266804 is an abundant number, since it is smaller than the sum of its proper divisors (57436876).

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

57266804 is a wasteful number, since it uses less digits than its factorization.

57266804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3047 (or 3045 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 38.

The square root of 57266804 is about 7567.4833333150. The cubic root of 57266804 is about 385.4496438784.

It can be divided in two parts, 572 and 66804, that added together give a palindrome (67376).

The spelling of 57266804 in words is "fifty-seven million, two hundred sixty-six thousand, eight hundred four".