50818917 has 16 divisors (see below), whose sum is σ = 69406272. Its totient is φ = 33064320.

The previous prime is 50818913. The next prime is 50818919. The reversal of 50818917 is 71981805.

It is not a de Polignac number, because 50818917 - 2² = 50818913 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (50818913) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24058 + ... + 26084.

It is an arithmetic number, because the mean of its divisors is an integer number (4337892).

Almost surely, 2^50818917 is an apocalyptic number.

It is an amenable number.

50818917 is a deficient number, since it is larger than the sum of its proper divisors (18587355).

50818917 is a wasteful number, since it uses less digits than its factorization.

50818917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2228.

The product of its (nonzero) digits is 20160, while the sum is 39.

The square root of 50818917 is about 7128.7388085130. The cubic root of 50818917 is about 370.4035455852.

The spelling of 50818917 in words is "fifty million, eight hundred eighteen thousand, nine hundred seventeen".