50131049880 has 128 divisors (see below), whose sum is σ = 154577652480. Its totient is φ = 12996887040.

The previous prime is 50131049873. The next prime is 50131049893. The reversal of 50131049880 is 8894013105.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6971647 + ... + 6978833.

It is an arithmetic number, because the mean of its divisors is an integer number (1207637910).

Almost surely, 2^50131049880 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 50131049880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77288826240).

50131049880 is an abundant number, since it is smaller than the sum of its proper divisors (104446602600).

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

50131049880 is a wasteful number, since it uses less digits than its factorization.

50131049880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8809 (or 8805 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 39.

The spelling of 50131049880 in words is "fifty billion, one hundred thirty-one million, forty-nine thousand, eight hundred eighty".