50518859 has 2 divisors, whose sum is σ = 50518860. Its totient is φ = 50518858.

The previous prime is 50518829. The next prime is 50518901. The reversal of 50518859 is 95881505.

50518859 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50518859 - 2²⁰ = 49470283 is a prime.

It is a super-2 number, since 2×50518859² = 5104310229323762, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (50518829) by changing a digit.

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, 25259429 + 25259430.

It is an arithmetic number, because the mean of its divisors is an integer number (25259430).

Almost surely, 2^50518859 is an apocalyptic number.

50518859 is a deficient number, since it is larger than the sum of its proper divisors (1).

50518859 is an equidigital number, since it uses as much as digits as its factorization.

50518859 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72000, while the sum is 41.

The square root of 50518859 is about 7107.6619925261. The cubic root of 50518859 is about 369.6730957225.

The spelling of 50518859 in words is "fifty million, five hundred eighteen thousand, eight hundred fifty-nine".