57204972 has 72 divisors (see below), whose sum is σ = 166071360. Its totient is φ = 16420320.

The previous prime is 57204971. The next prime is 57204977. The reversal of 57204972 is 27940275.

57204972 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 (36).

It is not an unprimeable number, because it can be changed into a prime (57204971) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 3723 + ... + 11325.

Almost surely, 2^57204972 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57204972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83035680).

57204972 is an abundant number, since it is smaller than the sum of its proper divisors (108866388).

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

57204972 is a wasteful number, since it uses less digits than its factorization.

57204972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7643 (or 7638 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 36.

The square root of 57204972 is about 7563.3968559107. The cubic root of 57204972 is about 385.3108682787.

The spelling of 57204972 in words is "fifty-seven million, two hundred four thousand, nine hundred seventy-two".