51324504764 has 24 divisors (see below), whose sum is σ = 98312645088. Its totient is φ = 23299899840.

The previous prime is 51324504739. The next prime is 51324504767. The reversal of 51324504764 is 46740542315.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51324504767) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8087072 + ... + 8093415.

It is an arithmetic number, because the mean of its divisors is an integer number (4096360212).

Almost surely, 2^51324504764 is an apocalyptic number.

It is an amenable number.

51324504764 is a deficient number, since it is larger than the sum of its proper divisors (46988140324).

51324504764 is a wasteful number, since it uses less digits than its factorization.

51324504764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16180565 (or 16180563 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 51324504764 in words is "fifty-one billion, three hundred twenty-four million, five hundred four thousand, seven hundred sixty-four".