50516217677 has 2 divisors, whose sum is σ = 50516217678. Its totient is φ = 50516217676.

The previous prime is 50516217667. The next prime is 50516217683. The reversal of 50516217677 is 77671261505.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50512113001 + 4104676 = 224749^2 + 2026^2 .

It is a cyclic number.

It is not a de Polignac number, because 50516217677 - 2¹⁸ = 50515955533 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50516217667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25258108838 + 25258108839.

It is an arithmetic number, because the mean of its divisors is an integer number (25258108839).

Almost surely, 2^50516217677 is an apocalyptic number.

It is an amenable number.

50516217677 is a deficient number, since it is larger than the sum of its proper divisors (1).

50516217677 is an equidigital number, since it uses as much as digits as its factorization.

50516217677 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 617400, while the sum is 47.

The spelling of 50516217677 in words is "fifty billion, five hundred sixteen million, two hundred seventeen thousand, six hundred seventy-seven".