50138432 has 14 divisors (see below), whose sum is σ = 99493578. Its totient is φ = 25069184.

The previous prime is 50138411. The next prime is 50138461. The reversal of 50138432 is 23483105.

It can be written as a sum of positive squares in only one way, i.e., 36772096 + 13366336 = 6064^2 + 3656^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 391643 + ... + 391770.

Almost surely, 2^50138432 is an apocalyptic number.

It is an amenable number.

50138432 is a deficient number, since it is larger than the sum of its proper divisors (49355146).

50138432 is an equidigital number, since it uses as much as digits as its factorization.

50138432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 783425 (or 783415 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 50138432 is about 7080.8496665301. The cubic root of 50138432 is about 368.7428284730.

The spelling of 50138432 in words is "fifty million, one hundred thirty-eight thousand, four hundred thirty-two".