50138772 has 24 divisors (see below), whose sum is σ = 118473600. Its totient is φ = 16501056.

The previous prime is 50138717. The next prime is 50138789. The reversal of 50138772 is 27783105.

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, 25497 + ... + 27392.

It is an arithmetic number, because the mean of its divisors is an integer number (4936400).

Almost surely, 2^50138772 is an apocalyptic number.

It is an amenable number.

50138772 is an abundant number, since it is smaller than the sum of its proper divisors (68334828).

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

50138772 is a wasteful number, since it uses less digits than its factorization.

50138772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52975 (or 52973 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 33.

The square root of 50138772 is about 7080.8736749076. The cubic root of 50138772 is about 368.7436619805.

The spelling of 50138772 in words is "fifty million, one hundred thirty-eight thousand, seven hundred seventy-two".