57004388 has 24 divisors (see below), whose sum is σ = 114886464. Its totient is φ = 24242400.

The previous prime is 57004333. The next prime is 57004397. The reversal of 57004388 is 88340075.

57004388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 7 ways as a sum of consecutive naturals, for example, 4103 + ... + 11438.

It is an arithmetic number, because the mean of its divisors is an integer number (4786936).

Almost surely, 2^57004388 is an apocalyptic number.

It is an amenable number.

57004388 is an abundant number, since it is smaller than the sum of its proper divisors (57882076).

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

57004388 is a wasteful number, since it uses less digits than its factorization.

57004388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15683 (or 15681 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 57004388 is about 7550.1250320773. The cubic root of 57004388 is about 384.8599884433.

The spelling of 57004388 in words is "fifty-seven million, four thousand, three hundred eighty-eight".