53253516 has 24 divisors (see below), whose sum is σ = 124440624. Its totient is φ = 17725120.

The previous prime is 53253511. The next prime is 53253517. The reversal of 53253516 is 61535235.

It is not an unprimeable number, because it can be changed into a prime (53253511) 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, 6406 + ... + 12146.

It is an arithmetic number, because the mean of its divisors is an integer number (5185026).

Almost surely, 2^53253516 is an apocalyptic number.

It is an amenable number.

53253516 is an abundant number, since it is smaller than the sum of its proper divisors (71187108).

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

53253516 is a wasteful number, since it uses less digits than its factorization.

53253516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6521 (or 6519 counting only the distinct ones).

The product of its digits is 13500, while the sum is 30.

The square root of 53253516 is about 7297.5006680370. The cubic root of 53253516 is about 376.2265403341.

The spelling of 53253516 in words is "fifty-three million, two hundred fifty-three thousand, five hundred sixteen".