50203640136 has 64 divisors (see below), whose sum is σ = 136150358400. Its totient is φ = 15334507008.

The previous prime is 50203640119. The next prime is 50203640141. The reversal of 50203640136 is 63104630205.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 544516 + ... + 630003.

It is an arithmetic number, because the mean of its divisors is an integer number (2127349350).

Almost surely, 2^50203640136 is an apocalyptic number.

It is an amenable number.

50203640136 is an abundant number, since it is smaller than the sum of its proper divisors (85946718264).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

50203640136 is a wasteful number, since it uses less digits than its factorization.

50203640136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1174678 (or 1174674 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The spelling of 50203640136 in words is "fifty billion, two hundred three million, six hundred forty thousand, one hundred thirty-six".