50993422128 has 160 divisors (see below), whose sum is σ = 160827206400. Its totient is φ = 15341184000.

The previous prime is 50993422063. The next prime is 50993422141. The reversal of 50993422128 is 82122439905.

50993422128 is a `hidden beast` number, since 5 + 0 + 99 + 342 + 212 + 8 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 621928 + ... + 699128.

It is an arithmetic number, because the mean of its divisors is an integer number (1005170040).

Almost surely, 2^50993422128 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 50993422128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80413603200).

50993422128 is an abundant number, since it is smaller than the sum of its proper divisors (109833784272).

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

50993422128 is a wasteful number, since it uses less digits than its factorization.

50993422128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77368 (or 77356 counting only the distinct ones).

The product of its (nonzero) digits is 311040, while the sum is 45.

The spelling of 50993422128 in words is "fifty billion, nine hundred ninety-three million, four hundred twenty-two thousand, one hundred twenty-eight".