50287591169 has 2 divisors, whose sum is σ = 50287591170. Its totient is φ = 50287591168.

The previous prime is 50287591153. The next prime is 50287591181. The reversal of 50287591169 is 96119578205.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 37243210225 + 13044380944 = 192985^2 + 114212^2 .

It is a cyclic number.

It is not a de Polignac number, because 50287591169 - 2⁴ = 50287591153 is a prime.

It is a super-2 number, since 2×50287591169² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 50287591169.

It is not a weakly prime, because it can be changed into another prime (50287591469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25143795584 + 25143795585.

It is an arithmetic number, because the mean of its divisors is an integer number (25143795585).

Almost surely, 2^50287591169 is an apocalyptic number.

It is an amenable number.

50287591169 is a deficient number, since it is larger than the sum of its proper divisors (1).

50287591169 is an equidigital number, since it uses as much as digits as its factorization.

50287591169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 50287591169 in words is "fifty billion, two hundred eighty-seven million, five hundred ninety-one thousand, one hundred sixty-nine".