52664137731 has 6 divisors (see below), whose sum is σ = 76070421180. Its totient is φ = 35109425148.

The previous prime is 52664137709. The next prime is 52664137739. The reversal of 52664137731 is 13773146625.

52664137731 is a `hidden beast` number, since 526 + 64 + 1 + 37 + 7 + 31 = 666.

It is not a de Polignac number, because 52664137731 - 2²⁹ = 52127266819 is a prime.

It is a super-2 number, since 2×52664137731² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (52664137739) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2925785421 + ... + 2925785438.

It is an arithmetic number, because the mean of its divisors is an integer number (12678403530).

Almost surely, 2^52664137731 is an apocalyptic number.

52664137731 is a deficient number, since it is larger than the sum of its proper divisors (23406283449).

52664137731 is a wasteful number, since it uses less digits than its factorization.

52664137731 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5851570865 (or 5851570862 counting only the distinct ones).

The product of its digits is 635040, while the sum is 45.

The spelling of 52664137731 in words is "fifty-two billion, six hundred sixty-four million, one hundred thirty-seven thousand, seven hundred thirty-one".