52731564 has 12 divisors (see below), whose sum is σ = 123040344. Its totient is φ = 17577184.

The previous prime is 52731463. The next prime is 52731577. The reversal of 52731564 is 46513725.

52731564 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2197137 + ... + 2197160.

It is an arithmetic number, because the mean of its divisors is an integer number (10253362).

Almost surely, 2^52731564 is an apocalyptic number.

It is an amenable number.

52731564 is an abundant number, since it is smaller than the sum of its proper divisors (70308780).

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

52731564 is a wasteful number, since it uses less digits than its factorization.

52731564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4394304 (or 4394302 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 52731564 is about 7261.6502256718. The cubic root of 52731564 is about 374.9933367705.

The spelling of 52731564 in words is "fifty-two million, seven hundred thirty-one thousand, five hundred sixty-four".