50023767217 has 2 divisors, whose sum is σ = 50023767218. Its totient is φ = 50023767216.

The previous prime is 50023767193. The next prime is 50023767247. The reversal of 50023767217 is 71276732005.

It is a happy number.

50023767217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43430976801 + 6592790416 = 208401^2 + 81196^2 .

It is a cyclic number.

It is not a de Polignac number, because 50023767217 - 2³¹ = 47876283569 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50023767217.

It is not a weakly prime, because it can be changed into another prime (50023767247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25011883608 + 25011883609.

It is an arithmetic number, because the mean of its divisors is an integer number (25011883609).

Almost surely, 2^50023767217 is an apocalyptic number.

It is an amenable number.

50023767217 is a deficient number, since it is larger than the sum of its proper divisors (1).

50023767217 is an equidigital number, since it uses as much as digits as its factorization.

50023767217 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 123480, while the sum is 40.

The spelling of 50023767217 in words is "fifty billion, twenty-three million, seven hundred sixty-seven thousand, two hundred seventeen".