53057272 has 32 divisors (see below), whose sum is σ = 110883600. Its totient is φ = 23652864.

The previous prime is 53057237. The next prime is 53057281. The reversal of 53057272 is 27275035.

It is a super-2 number, since 2×53057272² = 5630148224163968, which contains 22 as substring.

It is a congruent number.

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, 7683 + ... + 12850.

Almost surely, 2^53057272 is an apocalyptic number.

It is an amenable number.

53057272 is an abundant number, since it is smaller than the sum of its proper divisors (57826328).

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

53057272 is a wasteful number, since it uses less digits than its factorization.

53057272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20575 (or 20571 counting only the distinct ones).

The product of its (nonzero) digits is 14700, while the sum is 31.

The square root of 53057272 is about 7284.0422843364. The cubic root of 53057272 is about 375.7638286008.

The spelling of 53057272 in words is "fifty-three million, fifty-seven thousand, two hundred seventy-two".