50509422418 has 48 divisors (see below), whose sum is σ = 94017611520. Its totient is φ = 19926960768.

The previous prime is 50509422287. The next prime is 50509422419. The reversal of 50509422418 is 81422490505.

It is a happy number.

50509422418 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (50509422419) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 839238 + ... + 897406.

It is an arithmetic number, because the mean of its divisors is an integer number (1958700240).

Almost surely, 2^50509422418 is an apocalyptic number.

50509422418 is a deficient number, since it is larger than the sum of its proper divisors (43508189102).

50509422418 is a wasteful number, since it uses less digits than its factorization.

50509422418 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58571 (or 58558 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 40.

The spelling of 50509422418 in words is "fifty billion, five hundred nine million, four hundred twenty-two thousand, four hundred eighteen".