50504551087 has 2 divisors, whose sum is σ = 50504551088. Its totient is φ = 50504551086.

The previous prime is 50504551067. The next prime is 50504551129. The reversal of 50504551087 is 78015540505.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-50504551087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (50504551037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25252275543 + 25252275544.

It is an arithmetic number, because the mean of its divisors is an integer number (25252275544).

Almost surely, 2^50504551087 is an apocalyptic number.

50504551087 is a deficient number, since it is larger than the sum of its proper divisors (1).

50504551087 is an equidigital number, since it uses as much as digits as its factorization.

50504551087 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 140000, while the sum is 40.

The spelling of 50504551087 in words is "fifty billion, five hundred four million, five hundred fifty-one thousand, eighty-seven".