57122390 has 32 divisors (see below), whose sum is σ = 113097600. Its totient is φ = 20640384.

The previous prime is 57122383. The next prime is 57122453. The reversal of 57122390 is 9322175.

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, 1436 + ... + 10784.

It is an arithmetic number, because the mean of its divisors is an integer number (3534300).

Almost surely, 2^57122390 is an apocalyptic number.

57122390 is a deficient number, since it is larger than the sum of its proper divisors (55975210).

57122390 is a wasteful number, since it uses less digits than its factorization.

57122390 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9416.

The product of its (nonzero) digits is 3780, while the sum is 29.

The square root of 57122390 is about 7557.9355646896. The cubic root of 57122390 is about 385.1253653691.

The spelling of 57122390 in words is "fifty-seven million, one hundred twenty-two thousand, three hundred ninety".