50138992 has 20 divisors (see below), whose sum is σ = 97330576. Its totient is φ = 25021440.

The previous prime is 50138969. The next prime is 50139029. The reversal of 50138992 is 29983105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6517 + ... + 11947.

Almost surely, 2^50138992 is an apocalyptic number.

It is an amenable number.

50138992 is a deficient number, since it is larger than the sum of its proper divisors (47191584).

50138992 is a wasteful number, since it uses less digits than its factorization.

50138992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6016 (or 6010 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 37.

The square root of 50138992 is about 7080.8892096968. The cubic root of 50138992 is about 368.7442013069.

It can be divided in two parts, 501 and 38992, that added together give a palindrome (39493).

The spelling of 50138992 in words is "fifty million, one hundred thirty-eight thousand, nine hundred ninety-two".