52718380564 has 24 divisors (see below), whose sum is σ = 93398697000. Its totient is φ = 26034316800.

The previous prime is 52718380549. The next prime is 52718380573. The reversal of 52718380564 is 46508381725.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 32295684100 + 20422696464 = 179710^2 + 142908^2 .

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 5712 + ... + 324760.

It is an arithmetic number, because the mean of its divisors is an integer number (3891612375).

Almost surely, 2^52718380564 is an apocalyptic number.

It is an amenable number.

52718380564 is a deficient number, since it is larger than the sum of its proper divisors (40680316436).

52718380564 is a wasteful number, since it uses less digits than its factorization.

52718380564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319563 (or 319561 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 49.

The spelling of 52718380564 in words is "fifty-two billion, seven hundred eighteen million, three hundred eighty thousand, five hundred sixty-four".