50764854557 has 2 divisors, whose sum is σ = 50764854558. Its totient is φ = 50764854556.

The previous prime is 50764854533. The next prime is 50764854587. The reversal of 50764854557 is 75545846705.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46340742361 + 4424112196 = 215269^2 + 66514^2 .

It is a cyclic number.

It is not a de Polignac number, because 50764854557 - 2²⁸ = 50496419101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50764854527) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25382427278 + 25382427279.

It is an arithmetic number, because the mean of its divisors is an integer number (25382427279).

Almost surely, 2^50764854557 is an apocalyptic number.

It is an amenable number.

50764854557 is a deficient number, since it is larger than the sum of its proper divisors (1).

50764854557 is an equidigital number, since it uses as much as digits as its factorization.

50764854557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23520000, while the sum is 56.

The spelling of 50764854557 in words is "fifty billion, seven hundred sixty-four million, eight hundred fifty-four thousand, five hundred fifty-seven".