57122268 has 24 divisors (see below), whose sum is σ = 152326272. Its totient is φ = 16320624.

The previous prime is 57122251. The next prime is 57122297. The reversal of 57122268 is 86222175.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 339930 + ... + 340097.

It is an arithmetic number, because the mean of its divisors is an integer number (6346928).

Almost surely, 2^57122268 is an apocalyptic number.

It is an amenable number.

57122268 is an abundant number, since it is smaller than the sum of its proper divisors (95204004).

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

57122268 is a wasteful number, since it uses less digits than its factorization.

57122268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680041 (or 680039 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 57122268 is about 7557.9274936983. The cubic root of 57122268 is about 385.1250911898.

The spelling of 57122268 in words is "fifty-seven million, one hundred twenty-two thousand, two hundred sixty-eight".