51559260463 has 2 divisors, whose sum is σ = 51559260464. Its totient is φ = 51559260462.

The previous prime is 51559260421. The next prime is 51559260497. The reversal of 51559260463 is 36406295515.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 51559260463 - 2³³ = 42969325871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51559260413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25779630231 + 25779630232.

It is an arithmetic number, because the mean of its divisors is an integer number (25779630232).

Almost surely, 2^51559260463 is an apocalyptic number.

51559260463 is a deficient number, since it is larger than the sum of its proper divisors (1).

51559260463 is an equidigital number, since it uses as much as digits as its factorization.

51559260463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972000, while the sum is 46.

The spelling of 51559260463 in words is "fifty-one billion, five hundred fifty-nine million, two hundred sixty thousand, four hundred sixty-three".