50881090920 has 64 divisors (see below), whose sum is σ = 166519938240. Its totient is φ = 12334809600.

The previous prime is 50881090919. The next prime is 50881090937. The reversal of 50881090920 is 2909018805.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19271821 + ... + 19274460.

It is an arithmetic number, because the mean of its divisors is an integer number (2601874035).

Almost surely, 2^50881090920 is an apocalyptic number.

It is an amenable number.

50881090920 is an abundant number, since it is smaller than the sum of its proper divisors (115638847320).

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

50881090920 is a wasteful number, since it uses less digits than its factorization.

50881090920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38546306 (or 38546302 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 42.

The spelling of 50881090920 in words is "fifty billion, eight hundred eighty-one million, ninety thousand, nine hundred twenty".