57297590 has 32 divisors (see below), whose sum is σ = 118131264. Its totient is φ = 19601280.

The previous prime is 57297589. The next prime is 57297619. The reversal of 57297590 is 9579275.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 56972 + ... + 57968.

It is an arithmetic number, because the mean of its divisors is an integer number (3691602).

Almost surely, 2^57297590 is an apocalyptic number.

57297590 is an abundant number, since it is smaller than the sum of its proper divisors (60833674).

57297590 is a wasteful number, since it uses less digits than its factorization.

57297590 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1832.

The product of its (nonzero) digits is 198450, while the sum is 44.

The square root of 57297590 is about 7569.5171576528. The cubic root of 57297590 is about 385.5187026589.

The spelling of 57297590 in words is "fifty-seven million, two hundred ninety-seven thousand, five hundred ninety".