50865706559 has 2 divisors, whose sum is σ = 50865706560. Its totient is φ = 50865706558.

The previous prime is 50865706553. The next prime is 50865706621. The reversal of 50865706559 is 95560756805.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50865706559 - 2²⁴ = 50848929343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50865706553) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25432853279 + 25432853280.

It is an arithmetic number, because the mean of its divisors is an integer number (25432853280).

Almost surely, 2^50865706559 is an apocalyptic number.

50865706559 is a deficient number, since it is larger than the sum of its proper divisors (1).

50865706559 is an equidigital number, since it uses as much as digits as its factorization.

50865706559 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340000, while the sum is 56.

The spelling of 50865706559 in words is "fifty billion, eight hundred sixty-five million, seven hundred six thousand, five hundred fifty-nine".