50391163 has 2 divisors, whose sum is σ = 50391164. Its totient is φ = 50391162.

The previous prime is 50391157. The next prime is 50391167. The reversal of 50391163 is 36119305.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50391163 - 2²⁵ = 16836731 is a prime.

It is not a weakly prime, because it can be changed into another prime (50391167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25195581 + 25195582.

It is an arithmetic number, because the mean of its divisors is an integer number (25195582).

Almost surely, 2^50391163 is an apocalyptic number.

50391163 is a deficient number, since it is larger than the sum of its proper divisors (1).

50391163 is an equidigital number, since it uses as much as digits as its factorization.

50391163 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2430, while the sum is 28.

The square root of 50391163 is about 7098.6733267562. The cubic root of 50391163 is about 369.3613599578.

The spelling of 50391163 in words is "fifty million, three hundred ninety-one thousand, one hundred sixty-three".