50505542317 has 2 divisors, whose sum is σ = 50505542318. Its totient is φ = 50505542316.

The previous prime is 50505542281. The next prime is 50505542363. The reversal of 50505542317 is 71324550505.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 49774056201 + 731486116 = 223101^2 + 27046^2 .

It is a cyclic number.

It is not a de Polignac number, because 50505542317 - 2¹¹ = 50505540269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50505542387) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252771158 + 25252771159.

It is an arithmetic number, because the mean of its divisors is an integer number (25252771159).

Almost surely, 2^50505542317 is an apocalyptic number.

It is an amenable number.

50505542317 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505542317 is an equidigital number, since it uses as much as digits as its factorization.

50505542317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 105000, while the sum is 37.

The spelling of 50505542317 in words is "fifty billion, five hundred five million, five hundred forty-two thousand, three hundred seventeen".