51992488159 has 2 divisors, whose sum is σ = 51992488160. Its totient is φ = 51992488158.

The previous prime is 51992488153. The next prime is 51992488313. The reversal of 51992488159 is 95188429915.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 51992488159 - 2⁹ = 51992487647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 51992488097 and 51992488106.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51992488153) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25996244079 + 25996244080.

It is an arithmetic number, because the mean of its divisors is an integer number (25996244080).

Almost surely, 2^51992488159 is an apocalyptic number.

51992488159 is a deficient number, since it is larger than the sum of its proper divisors (1).

51992488159 is an equidigital number, since it uses as much as digits as its factorization.

51992488159 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9331200, while the sum is 61.

The spelling of 51992488159 in words is "fifty-one billion, nine hundred ninety-two million, four hundred eighty-eight thousand, one hundred fifty-nine".