57261252 has 24 divisors (see below), whose sum is σ = 134665216. Its totient is φ = 18936288.

The previous prime is 57261241. The next prime is 57261289. The reversal of 57261252 is 25216275.

It is a super-3 number, since 3×57261252³ (a number of 24 digits) contains 333 as substring.

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, 17263 + ... + 20310.

Almost surely, 2^57261252 is an apocalyptic number.

It is an amenable number.

57261252 is an abundant number, since it is smaller than the sum of its proper divisors (77403964).

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

57261252 is a wasteful number, since it uses less digits than its factorization.

57261252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37707 (or 37705 counting only the distinct ones).

The product of its digits is 8400, while the sum is 30.

The square root of 57261252 is about 7567.1164917688. The cubic root of 57261252 is about 385.4371870655.

The spelling of 57261252 in words is "fifty-seven million, two hundred sixty-one thousand, two hundred fifty-two".