53612636 has 24 divisors (see below), whose sum is σ = 116973696. Its totient is φ = 20887920.

The previous prime is 53612591. The next prime is 53612641. The reversal of 53612636 is 63621635.

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, 86726 + ... + 87341.

It is an arithmetic number, because the mean of its divisors is an integer number (4873904).

Almost surely, 2^53612636 is an apocalyptic number.

It is an amenable number.

53612636 is an abundant number, since it is smaller than the sum of its proper divisors (63361060).

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

53612636 is a wasteful number, since it uses less digits than its factorization.

53612636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174089 (or 174087 counting only the distinct ones).

The product of its digits is 19440, while the sum is 32.

The square root of 53612636 is about 7322.0650092716. The cubic root of 53612636 is about 377.0703525243.

It can be divided in two parts, 5361 and 2636, that added together give a palindrome (7997).

The spelling of 53612636 in words is "fifty-three million, six hundred twelve thousand, six hundred thirty-six".