52635664 has 20 divisors (see below), whose sum is σ = 102920620. Its totient is φ = 26075520.

The previous prime is 52635659. The next prime is 52635679. The reversal of 52635664 is 46653625.

It can be written as a sum of positive squares in 2 ways, for example, as 30470400 + 22165264 = 5520^2 + 4708^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13347 + ... + 16834.

It is an arithmetic number, because the mean of its divisors is an integer number (5146031).

Almost surely, 2^52635664 is an apocalyptic number.

It is an amenable number.

52635664 is a deficient number, since it is larger than the sum of its proper divisors (50284956).

52635664 is a wasteful number, since it uses less digits than its factorization.

52635664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30298 (or 30292 counting only the distinct ones).

The product of its digits is 129600, while the sum is 37.

The square root of 52635664 is about 7255.0440384604. The cubic root of 52635664 is about 374.7658722253.

The spelling of 52635664 in words is "fifty-two million, six hundred thirty-five thousand, six hundred sixty-four".