50418894163 has 24 divisors (see below), whose sum is σ = 56292360624. Its totient is φ = 44784532800.

The previous prime is 50418894139. The next prime is 50418894167. The reversal of 50418894163 is 36149881405.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-50418894163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (50418894167) 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, 18392973 + ... + 18395713.

It is an arithmetic number, because the mean of its divisors is an integer number (2345515026).

Almost surely, 2^50418894163 is an apocalyptic number.

50418894163 is a deficient number, since it is larger than the sum of its proper divisors (5873466461).

50418894163 is a wasteful number, since it uses less digits than its factorization.

50418894163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3603 (or 3556 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 50418894163 in words is "fifty billion, four hundred eighteen million, eight hundred ninety-four thousand, one hundred sixty-three".