50705522191 has 2 divisors, whose sum is σ = 50705522192. Its totient is φ = 50705522190.

The previous prime is 50705522123. The next prime is 50705522221. The reversal of 50705522191 is 19122550705.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50705522191 - 2⁹ = 50705521679 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50705522191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50705522291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25352761095 + 25352761096.

It is an arithmetic number, because the mean of its divisors is an integer number (25352761096).

Almost surely, 2^50705522191 is an apocalyptic number.

50705522191 is a deficient number, since it is larger than the sum of its proper divisors (1).

50705522191 is an equidigital number, since it uses as much as digits as its factorization.

50705522191 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31500, while the sum is 37.

The spelling of 50705522191 in words is "fifty billion, seven hundred five million, five hundred twenty-two thousand, one hundred ninety-one".