50687912159 has 2 divisors, whose sum is σ = 50687912160. Its totient is φ = 50687912158.

The previous prime is 50687912101. The next prime is 50687912161. The reversal of 50687912159 is 95121978605.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50687912159 is a prime.

Together with 50687912161, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 50687912159.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50687912959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25343956079 + 25343956080.

It is an arithmetic number, because the mean of its divisors is an integer number (25343956080).

Almost surely, 2^50687912159 is an apocalyptic number.

50687912159 is a deficient number, since it is larger than the sum of its proper divisors (1).

50687912159 is an equidigital number, since it uses as much as digits as its factorization.

50687912159 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1360800, while the sum is 53.

The spelling of 50687912159 in words is "fifty billion, six hundred eighty-seven million, nine hundred twelve thousand, one hundred fifty-nine".