50381880991 has 48 divisors (see below), whose sum is σ = 56593320960. Its totient is φ = 44812310400.

The previous prime is 50381880979. The next prime is 50381881009. The reversal of 50381880991 is 19908818305.

It is not a de Polignac number, because 50381880991 - 2⁵ = 50381880959 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50381880971) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135071881 + ... + 135072253.

It is an arithmetic number, because the mean of its divisors is an integer number (1179027520).

Almost surely, 2^50381880991 is an apocalyptic number.

50381880991 is a deficient number, since it is larger than the sum of its proper divisors (6211439969).

50381880991 is a wasteful number, since it uses less digits than its factorization.

50381880991 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696 (or 683 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 52.

The spelling of 50381880991 in words is "fifty billion, three hundred eighty-one million, eight hundred eighty thousand, nine hundred ninety-one".