53488520 has 32 divisors (see below), whose sum is σ = 121806720. Its totient is φ = 21136320.

The previous prime is 53488507. The next prime is 53488529. The reversal of 53488520 is 2588435.

It is a super-2 number, since 2×53488520² = 5722043543580800, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (53488529) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4736 + ... + 11375.

It is an arithmetic number, because the mean of its divisors is an integer number (3806460).

Almost surely, 2^53488520 is an apocalyptic number.

It is an amenable number.

53488520 is an abundant number, since it is smaller than the sum of its proper divisors (68318200).

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

53488520 is a wasteful number, since it uses less digits than its factorization.

53488520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16205 (or 16201 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 53488520 is about 7313.5846204170. The cubic root of 53488520 is about 376.7791486276.

The spelling of 53488520 in words is "fifty-three million, four hundred eighty-eight thousand, five hundred twenty".