50431431504 has 40 divisors (see below), whose sum is σ = 131571123552. Its totient is φ = 16644035200.

The previous prime is 50431431499. The next prime is 50431431517. The reversal of 50431431504 is 40513413405.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5196414 + ... + 5206109.

Almost surely, 2^50431431504 is an apocalyptic number.

It is an amenable number.

50431431504 is an abundant number, since it is smaller than the sum of its proper divisors (81139692048).

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

50431431504 is a wasteful number, since it uses less digits than its factorization.

50431431504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10402635 (or 10402629 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 30.

Adding to 50431431504 its reverse (40513413405), we get a palindrome (90944844909).

The spelling of 50431431504 in words is "fifty billion, four hundred thirty-one million, four hundred thirty-one thousand, five hundred four".