51864914324 has 24 divisors (see below), whose sum is σ = 90931680000. Its totient is φ = 25884481280.

The previous prime is 51864914261. The next prime is 51864914377. The reversal of 51864914324 is 42341946815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5565629 + ... + 5574939.

It is an arithmetic number, because the mean of its divisors is an integer number (3788820000).

Almost surely, 2^51864914324 is an apocalyptic number.

It is an amenable number.

51864914324 is a deficient number, since it is larger than the sum of its proper divisors (39066765676).

51864914324 is a wasteful number, since it uses less digits than its factorization.

51864914324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11743 (or 11741 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The spelling of 51864914324 in words is "fifty-one billion, eight hundred sixty-four million, nine hundred fourteen thousand, three hundred twenty-four".