50138832 has 20 divisors (see below), whose sum is σ = 129525440. Its totient is φ = 16712928.

The previous prime is 50138791. The next prime is 50138839. The reversal of 50138832 is 23883105.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 50138832.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50138839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 522232 + ... + 522327.

It is an arithmetic number, because the mean of its divisors is an integer number (6476272).

Almost surely, 2^50138832 is an apocalyptic number.

It is an amenable number.

50138832 is an abundant number, since it is smaller than the sum of its proper divisors (79386608).

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

50138832 is a wasteful number, since it uses less digits than its factorization.

50138832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1044570 (or 1044564 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 50138832 is about 7080.8779116717. The cubic root of 50138832 is about 368.7438090697.

The spelling of 50138832 in words is "fifty million, one hundred thirty-eight thousand, eight hundred thirty-two".