53232516 has 36 divisors (see below), whose sum is σ = 139202700. Its totient is φ = 17131968.

The previous prime is 53232497. The next prime is 53232521. The reversal of 53232516 is 61523235.

It can be written as a sum of positive squares in 2 ways, for example, as 28132416 + 25100100 = 5304^2 + 5010^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 53232516.

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, 24451 + ... + 26538.

Almost surely, 2^53232516 is an apocalyptic number.

It is an amenable number.

53232516 is an abundant number, since it is smaller than the sum of its proper divisors (85970184).

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

53232516 is a wasteful number, since it uses less digits than its factorization.

53232516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51028 (or 51023 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 53232516 is about 7296.0616773709. The cubic root of 53232516 is about 376.1770800875.

The spelling of 53232516 in words is "fifty-three million, two hundred thirty-two thousand, five hundred sixteen".