52587664 has 20 divisors (see below), whose sum is σ = 107882604. Its totient is φ = 24747008.

The previous prime is 52587659. The next prime is 52587709. The reversal of 52587664 is 46678525.

It can be written as a sum of positive squares in 2 ways, for example, as 24920064 + 27667600 = 4992^2 + 5260^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 52587664.

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, 96397 + ... + 96940.

Almost surely, 2^52587664 is an apocalyptic number.

It is an amenable number.

52587664 is an abundant number, since it is smaller than the sum of its proper divisors (55294940).

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

52587664 is a wasteful number, since it uses less digits than its factorization.

52587664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 193362 (or 193356 counting only the distinct ones).

The product of its digits is 403200, while the sum is 43.

The square root of 52587664 is about 7251.7352406166. The cubic root of 52587664 is about 374.6519175956.

The spelling of 52587664 in words is "fifty-two million, five hundred eighty-seven thousand, six hundred sixty-four".