50994637792 has 48 divisors (see below), whose sum is σ = 121487234400. Its totient is φ = 20569264128.

The previous prime is 50994637789. The next prime is 50994637807. The reversal of 50994637792 is 29773649905.

It is a self number, because there is not a number n which added to its sum of digits gives 50994637792.

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, 6691917 + ... + 6699532.

It is an arithmetic number, because the mean of its divisors is an integer number (2530984050).

Almost surely, 2^50994637792 is an apocalyptic number.

It is an amenable number.

50994637792 is an abundant number, since it is smaller than the sum of its proper divisors (70492596608).

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

50994637792 is a wasteful number, since it uses less digits than its factorization.

50994637792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13391483 (or 13391475 counting only the distinct ones).

The product of its (nonzero) digits is 25719120, while the sum is 61.

The spelling of 50994637792 in words is "fifty billion, nine hundred ninety-four million, six hundred thirty-seven thousand, seven hundred ninety-two".