50891190179 has 2 divisors, whose sum is σ = 50891190180. Its totient is φ = 50891190178.

The previous prime is 50891190173. The next prime is 50891190221. The reversal of 50891190179 is 97109119805.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50891190179 is a prime.

It is not a weakly prime, because it can be changed into another prime (50891190173) 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, 25445595089 + 25445595090.

It is an arithmetic number, because the mean of its divisors is an integer number (25445595090).

Almost surely, 2^50891190179 is an apocalyptic number.

50891190179 is a deficient number, since it is larger than the sum of its proper divisors (1).

50891190179 is an equidigital number, since it uses as much as digits as its factorization.

50891190179 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 204120, while the sum is 50.

The spelling of 50891190179 in words is "fifty billion, eight hundred ninety-one million, one hundred ninety thousand, one hundred seventy-nine".