50194451879 has 24 divisors (see below), whose sum is σ = 61871755392. Its totient is φ = 40289826720.

The previous prime is 50194451869. The next prime is 50194451897. The reversal of 50194451879 is 97815449105.

It is a de Polignac number, because none of the positive numbers 2^k-50194451879 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 50194451879.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50194451849) 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, 544217 + ... + 629730.

It is an arithmetic number, because the mean of its divisors is an integer number (2577989808).

Almost surely, 2^50194451879 is an apocalyptic number.

50194451879 is a deficient number, since it is larger than the sum of its proper divisors (11677303513).

50194451879 is a wasteful number, since it uses less digits than its factorization.

50194451879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174007 (or 1173994 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 53.

The spelling of 50194451879 in words is "fifty billion, one hundred ninety-four million, four hundred fifty-one thousand, eight hundred seventy-nine".