51564200076 has 48 divisors (see below), whose sum is σ = 133707581280. Its totient is φ = 17185158720.

The previous prime is 51564200057. The next prime is 51564200081. The reversal of 51564200076 is 67000246515.

It is a happy number.

51564200076 is a `hidden beast` number, since 5 + 1 + 5 + 642 + 0 + 0 + 0 + 7 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 51564200076.

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 15 ways as a sum of consecutive naturals, for example, 656290 + ... + 730646.

It is an arithmetic number, because the mean of its divisors is an integer number (2785574610).

Almost surely, 2^51564200076 is an apocalyptic number.

It is an amenable number.

51564200076 is an abundant number, since it is smaller than the sum of its proper divisors (82143381204).

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

51564200076 is a wasteful number, since it uses less digits than its factorization.

51564200076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80791 (or 80783 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The spelling of 51564200076 in words is "fifty-one billion, five hundred sixty-four million, two hundred thousand, seventy-six".