51732977792 has 32 divisors (see below), whose sum is σ = 107542745280. Its totient is φ = 24741857536.

The previous prime is 51732977749. The next prime is 51732977843. The reversal of 51732977792 is 29777923715.

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8783228 + ... + 8789115.

It is an arithmetic number, because the mean of its divisors is an integer number (3360710790).

Almost surely, 2^51732977792 is an apocalyptic number.

It is an amenable number.

51732977792 is an abundant number, since it is smaller than the sum of its proper divisors (55809767488).

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

51732977792 is a wasteful number, since it uses less digits than its factorization.

51732977792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17572380 (or 17572368 counting only the distinct ones).

The product of its digits is 11668860, while the sum is 59.

The spelling of 51732977792 in words is "fifty-one billion, seven hundred thirty-two million, nine hundred seventy-seven thousand, seven hundred ninety-two".