50685328920 has 32 divisors (see below), whose sum is σ = 152055987120. Its totient is φ = 13516087680.

The previous prime is 50685328907. The next prime is 50685328931. The reversal of 50685328920 is 2982358605.

50685328920 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 50685328920.

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, 211188751 + ... + 211188990.

Almost surely, 2^50685328920 is an apocalyptic number.

It is an amenable number.

50685328920 is an abundant number, since it is smaller than the sum of its proper divisors (101370658200).

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

50685328920 is a wasteful number, since it uses less digits than its factorization.

50685328920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422377755 (or 422377751 counting only the distinct ones).

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 50685328920 in words is "fifty billion, six hundred eighty-five million, three hundred twenty-eight thousand, nine hundred twenty".