50351955887 has 2 divisors, whose sum is σ = 50351955888. Its totient is φ = 50351955886.

The previous prime is 50351955883. The next prime is 50351955919. The reversal of 50351955887 is 78855915305.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 50351955887 - 2² = 50351955883 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50351955881) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25175977943 + 25175977944.

It is an arithmetic number, because the mean of its divisors is an integer number (25175977944).

Almost surely, 2^50351955887 is an apocalyptic number.

50351955887 is a deficient number, since it is larger than the sum of its proper divisors (1).

50351955887 is an equidigital number, since it uses as much as digits as its factorization.

50351955887 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7560000, while the sum is 56.

The spelling of 50351955887 in words is "fifty billion, three hundred fifty-one million, nine hundred fifty-five thousand, eight hundred eighty-seven".