50491172704 has 36 divisors (see below), whose sum is σ = 115633805364. Its totient is φ = 21639073344.

The previous prime is 50491172663. The next prime is 50491172707. The reversal of 50491172704 is 40727119405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50491172707) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 16098934 + ... + 16102069.

It is an arithmetic number, because the mean of its divisors is an integer number (3212050149).

Almost surely, 2^50491172704 is an apocalyptic number.

It is an amenable number.

50491172704 is an abundant number, since it is smaller than the sum of its proper divisors (65142632660).

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

50491172704 is a wasteful number, since it uses less digits than its factorization.

50491172704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32201027 (or 32201012 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 40.

The spelling of 50491172704 in words is "fifty billion, four hundred ninety-one million, one hundred seventy-two thousand, seven hundred four".