50917791942 has 16 divisors (see below), whose sum is σ = 113150648880. Its totient is φ = 16972597296.

The previous prime is 50917791917. The next prime is 50917791983. The reversal of 50917791942 is 24919771905.

50917791942 is a `hidden beast` number, since 509 + 1 + 7 + 7 + 91 + 9 + 42 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54), and also a Moran number because the ratio is a prime number: 942922073 = 50917791942 / (5 + 0 + 9 + 1 + 7 + 7 + 9 + 1 + 9 + 4 + 2).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 471460983 + ... + 471461090.

It is an arithmetic number, because the mean of its divisors is an integer number (7071915555).

Almost surely, 2^50917791942 is an apocalyptic number.

50917791942 is an abundant number, since it is smaller than the sum of its proper divisors (62232856938).

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

50917791942 is a wasteful number, since it uses less digits than its factorization.

50917791942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 942922084 (or 942922078 counting only the distinct ones).

The product of its (nonzero) digits is 1428840, while the sum is 54.

The spelling of 50917791942 in words is "fifty billion, nine hundred seventeen million, seven hundred ninety-one thousand, nine hundred forty-two".