53503272 has 48 divisors (see below), whose sum is σ = 149585280. Its totient is φ = 17258400.

The previous prime is 53503217. The next prime is 53503327. The reversal of 53503272 is 27230535.

It is an interprime number because it is at equal distance from previous prime (53503217) and next prime (53503327).

It is a super-2 number, since 2×53503272² = 5725200229411968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9754 + ... + 14217.

It is an arithmetic number, because the mean of its divisors is an integer number (3116360).

Almost surely, 2^53503272 is an apocalyptic number.

It is an amenable number.

53503272 is an abundant number, since it is smaller than the sum of its proper divisors (96082008).

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

53503272 is a wasteful number, since it uses less digits than its factorization.

53503272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24014 (or 24007 counting only the distinct ones).

The product of its (nonzero) digits is 6300, while the sum is 27.

The square root of 53503272 is about 7314.5930850595. The cubic root of 53503272 is about 376.8137836926.

The spelling of 53503272 in words is "fifty-three million, five hundred three thousand, two hundred seventy-two".