50840638 has 4 divisors (see below), whose sum is σ = 76260960. Its totient is φ = 25420318.

The previous prime is 50840623. The next prime is 50840677. The reversal of 50840638 is 83604805.

50840638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12710158 + ... + 12710161.

It is an arithmetic number, because the mean of its divisors is an integer number (19065240).

Almost surely, 2^50840638 is an apocalyptic number.

50840638 is a deficient number, since it is larger than the sum of its proper divisors (25420322).

50840638 is a wasteful number, since it uses less digits than its factorization.

50840638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25420321.

The product of its (nonzero) digits is 23040, while the sum is 34.

The square root of 50840638 is about 7130.2621270189. The cubic root of 50840638 is about 370.4563106439.

The spelling of 50840638 in words is "fifty million, eight hundred forty thousand, six hundred thirty-eight".