56764968516 has 27 divisors (see below), whose sum is σ = 143492839581. Its totient is φ = 18921179664.

The previous prime is 56764968511. The next prime is 56764968523. The reversal of 56764968516 is 61586946765.

The square root of 56764968516 is 238254.

It is a perfect power (a square), and thus also a powerful number.

56764968516 is a `hidden beast` number, since 5 + 6 + 76 + 49 + 6 + 8 + 516 = 666.

It can be written as a sum of positive squares in only one way, i.e., 51735322116 + 5029646400 = 227454^2 + 70920^2 .

It is not an unprimeable number, because it can be changed into a prime (56764968511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1409670 + ... + 1449378.

Almost surely, 2^56764968516 is an apocalyptic number.

56764968516 is the 238254-th square number.

It is an amenable number.

56764968516 is an abundant number, since it is smaller than the sum of its proper divisors (86727871065).

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

56764968516 is an frugal number, since it uses more digits than its factorization.

56764968516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79428 (or 39714 counting only the distinct ones).

The product of its digits is 65318400, while the sum is 63.

The spelling of 56764968516 in words is "fifty-six billion, seven hundred sixty-four million, nine hundred sixty-eight thousand, five hundred sixteen".