50921722377 has 12 divisors (see below), whose sum is σ = 73555556724. Its totient is φ = 33946911360.

The previous prime is 50921722349. The next prime is 50921722391. The reversal of 50921722377 is 77322712905.

50921722377 is a `hidden beast` number, since 509 + 2 + 1 + 72 + 2 + 3 + 77 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 12313009296 + 38608713081 = 110964^2 + 196491^2 .

It is not a de Polignac number, because 50921722377 - 2³⁵ = 16561984009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (50921721377) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 607573 + ... + 686285.

It is an arithmetic number, because the mean of its divisors is an integer number (6129629727).

Almost surely, 2^50921722377 is an apocalyptic number.

It is an amenable number.

50921722377 is a deficient number, since it is larger than the sum of its proper divisors (22633834347).

50921722377 is a wasteful number, since it uses less digits than its factorization.

50921722377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 150600 (or 150597 counting only the distinct ones).

The product of its (nonzero) digits is 370440, while the sum is 45.

The spelling of 50921722377 in words is "fifty billion, nine hundred twenty-one million, seven hundred twenty-two thousand, three hundred seventy-seven".