52568813 has 12 divisors (see below), whose sum is σ = 57966720. Its totient is φ = 47637480.

The previous prime is 52568809. The next prime is 52568821. The reversal of 52568813 is 31886525.

It is not a de Polignac number, because 52568813 - 2² = 52568809 is a prime.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52568863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 57506 + ... + 58412.

It is an arithmetic number, because the mean of its divisors is an integer number (4830560).

Almost surely, 2^52568813 is an apocalyptic number.

It is an amenable number.

52568813 is a deficient number, since it is larger than the sum of its proper divisors (5397907).

52568813 is a wasteful number, since it uses less digits than its factorization.

52568813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1408 (or 1397 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 52568813 is about 7250.4353662384. The cubic root of 52568813 is about 374.6071453250.

It can be divided in two parts, 52 and 568813, that added together give a palindrome (568865).

The spelling of 52568813 in words is "fifty-two million, five hundred sixty-eight thousand, eight hundred thirteen".