50731191804 has 36 divisors (see below), whose sum is σ = 121658551224. Its totient is φ = 16453354176.

The previous prime is 50731191803. The next prime is 50731191811. The reversal of 50731191804 is 40819113705.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50731191803) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1527619 + ... + 1560474.

Almost surely, 2^50731191804 is an apocalyptic number.

It is an amenable number.

50731191804 is an abundant number, since it is smaller than the sum of its proper divisors (70927359420).

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

50731191804 is a wasteful number, since it uses less digits than its factorization.

50731191804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3088174 (or 3088135 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 39.

The spelling of 50731191804 in words is "fifty billion, seven hundred thirty-one million, one hundred ninety-one thousand, eight hundred four".