50505006647 has 2 divisors, whose sum is σ = 50505006648. Its totient is φ = 50505006646.

The previous prime is 50505006611. The next prime is 50505006659. The reversal of 50505006647 is 74660050505.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 50505006647 - 2⁶ = 50505006583 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50505006647.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50505006947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252503323 + 25252503324.

It is an arithmetic number, because the mean of its divisors is an integer number (25252503324).

Almost surely, 2^50505006647 is an apocalyptic number.

50505006647 is a deficient number, since it is larger than the sum of its proper divisors (1).

50505006647 is an equidigital number, since it uses as much as digits as its factorization.

50505006647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 38.

The spelling of 50505006647 in words is "fifty billion, five hundred five million, six thousand, six hundred forty-seven".