50638938 has 32 divisors (see below), whose sum is σ = 116075904. Its totient is φ = 14427072.

The previous prime is 50638919. The next prime is 50638943. The reversal of 50638938 is 83983605.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a self number, because there is not a number n which added to its sum of digits gives 50638938.

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, 15156 + ... + 18192.

It is an arithmetic number, because the mean of its divisors is an integer number (3627372).

Almost surely, 2^50638938 is an apocalyptic number.

50638938 is an abundant number, since it is smaller than the sum of its proper divisors (65436966).

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

50638938 is a wasteful number, since it uses less digits than its factorization.

50638938 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3446.

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 50638938 is about 7116.1041307727. The cubic root of 50638938 is about 369.9657577271.

The spelling of 50638938 in words is "fifty million, six hundred thirty-eight thousand, nine hundred thirty-eight".