50931217984 has 28 divisors (see below), whose sum is σ = 104551695900. Its totient is φ = 24587483648.

The previous prime is 50931217979. The next prime is 50931218069. The reversal of 50931217984 is 48971213905.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 18485121600 + 32446096384 = 135960^2 + 180128^2 .

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, 13718839 + ... + 13722550.

Almost surely, 2^50931217984 is an apocalyptic number.

It is an amenable number.

50931217984 is an abundant number, since it is smaller than the sum of its proper divisors (53620477916).

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

50931217984 is a wasteful number, since it uses less digits than its factorization.

50931217984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27441430 (or 27441420 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 49.

The spelling of 50931217984 in words is "fifty billion, nine hundred thirty-one million, two hundred seventeen thousand, nine hundred eighty-four".