50509422361 has 4 divisors (see below), whose sum is σ = 50558893924. Its totient is φ = 50459950800.

The previous prime is 50509422287. The next prime is 50509422419. The reversal of 50509422361 is 16322490505.

50509422361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 16416015625 + 34093406736 = 128125^2 + 184644^2 .

It is a cyclic number.

It is not a de Polignac number, because 50509422361 - 2⁷ = 50509422233 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 50509422361.

It is not an unprimeable number, because it can be changed into a prime (50509422961) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 24734250 + ... + 24736291.

It is an arithmetic number, because the mean of its divisors is an integer number (12639723481).

Almost surely, 2^50509422361 is an apocalyptic number.

It is an amenable number.

50509422361 is a deficient number, since it is larger than the sum of its proper divisors (49471563).

50509422361 is a wasteful number, since it uses less digits than its factorization.

50509422361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49471562.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 50509422361 in words is "fifty billion, five hundred nine million, four hundred twenty-two thousand, three hundred sixty-one".