50019500591 has 2 divisors, whose sum is σ = 50019500592. Its totient is φ = 50019500590.

The previous prime is 50019500519. The next prime is 50019500603. The reversal of 50019500591 is 19500591005.

It is a happy number.

Together with previous prime (50019500519) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50019500591 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50019500891) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25009750295 + 25009750296.

It is an arithmetic number, because the mean of its divisors is an integer number (25009750296).

Almost surely, 2^50019500591 is an apocalyptic number.

50019500591 is a deficient number, since it is larger than the sum of its proper divisors (1).

50019500591 is an equidigital number, since it uses as much as digits as its factorization.

50019500591 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10125, while the sum is 35.

The spelling of 50019500591 in words is "fifty billion, nineteen million, five hundred thousand, five hundred ninety-one".