50515189 has 2 divisors, whose sum is σ = 50515190. Its totient is φ = 50515188.

The previous prime is 50515183. The next prime is 50515193. The reversal of 50515189 is 98151505.

50515189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49238289 + 1276900 = 7017^2 + 1130^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50515189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50515183) 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, 25257594 + 25257595.

It is an arithmetic number, because the mean of its divisors is an integer number (25257595).

Almost surely, 2^50515189 is an apocalyptic number.

It is an amenable number.

50515189 is a deficient number, since it is larger than the sum of its proper divisors (1).

50515189 is an equidigital number, since it uses as much as digits as its factorization.

50515189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9000, while the sum is 34.

The square root of 50515189 is about 7107.4038157403. The cubic root of 50515189 is about 369.6641437315.

The spelling of 50515189 in words is "fifty million, five hundred fifteen thousand, one hundred eighty-nine".