51576077364 has 48 divisors (see below), whose sum is σ = 137984275968. Its totient is φ = 14688014688.

The previous prime is 51576077323. The next prime is 51576077389. The reversal of 51576077364 is 46377067515.

51576077364 is a modest number, since divided by 77364 gives 51576 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 974214 + ... + 1025789.

It is an arithmetic number, because the mean of its divisors is an integer number (2874672416).

Almost surely, 2^51576077364 is an apocalyptic number.

It is an amenable number.

51576077364 is an abundant number, since it is smaller than the sum of its proper divisors (86408198604).

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

51576077364 is a wasteful number, since it uses less digits than its factorization.

51576077364 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2000324 (or 2000322 counting only the distinct ones).

The product of its (nonzero) digits is 3704400, while the sum is 51.

The spelling of 51576077364 in words is "fifty-one billion, five hundred seventy-six million, seventy-seven thousand, three hundred sixty-four".