50797138 has 16 divisors (see below), whose sum is σ = 87523200. Its totient is φ = 21659616.

The previous prime is 50797111. The next prime is 50797151. The reversal of 50797138 is 83179705.

It is a self number, because there is not a number n which added to its sum of digits gives 50797138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6331 + ... + 11902.

It is an arithmetic number, because the mean of its divisors is an integer number (5470200).

Almost surely, 2^50797138 is an apocalyptic number.

50797138 is a deficient number, since it is larger than the sum of its proper divisors (36726062).

50797138 is a wasteful number, since it uses less digits than its factorization.

50797138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18441.

The product of its (nonzero) digits is 52920, while the sum is 40.

The square root of 50797138 is about 7127.2110955127. The cubic root of 50797138 is about 370.3506245342.

The spelling of 50797138 in words is "fifty million, seven hundred ninety-seven thousand, one hundred thirty-eight".