51422888591 has 2 divisors, whose sum is σ = 51422888592. Its totient is φ = 51422888590.

The previous prime is 51422888557. The next prime is 51422888659. The reversal of 51422888591 is 19588822415.

51422888591 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51422888591 - 2¹⁰ = 51422887567 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51422888291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25711444295 + 25711444296.

It is an arithmetic number, because the mean of its divisors is an integer number (25711444296).

Almost surely, 2^51422888591 is an apocalyptic number.

51422888591 is a deficient number, since it is larger than the sum of its proper divisors (1).

51422888591 is an equidigital number, since it uses as much as digits as its factorization.

51422888591 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1843200, while the sum is 53.

The spelling of 51422888591 in words is "fifty-one billion, four hundred twenty-two million, eight hundred eighty-eight thousand, five hundred ninety-one".