57122472 has 32 divisors (see below), whose sum is σ = 155789280. Its totient is φ = 17309760.

The previous prime is 57122459. The next prime is 57122503. The reversal of 57122472 is 27422175.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107923 + ... + 108450.

It is an arithmetic number, because the mean of its divisors is an integer number (4868415).

Almost surely, 2^57122472 is an apocalyptic number.

It is an amenable number.

57122472 is an abundant number, since it is smaller than the sum of its proper divisors (98666808).

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

57122472 is a wasteful number, since it uses less digits than its factorization.

57122472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216393 (or 216389 counting only the distinct ones).

The product of its digits is 7840, while the sum is 30.

The square root of 57122472 is about 7557.9409894494. The cubic root of 57122472 is about 385.1255496533.

The spelling of 57122472 in words is "fifty-seven million, one hundred twenty-two thousand, four hundred seventy-two".