51061554536273 has 2 divisors, whose sum is σ = 51061554536274. Its totient is φ = 51061554536272.

The previous prime is 51061554536197. The next prime is 51061554536281. The reversal of 51061554536273 is 37263545516015.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50909823252544 + 151731283729 = 7135112^2 + 389527^2 .

It is a cyclic number.

It is not a de Polignac number, because 51061554536273 - 2¹⁰ = 51061554535249 is a prime.

It is not a weakly prime, because it can be changed into another prime (51061554526273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25530777268136 + 25530777268137.

It is an arithmetic number, because the mean of its divisors is an integer number (25530777268137).

Almost surely, 2^{51061554536273} is an apocalyptic number.

It is an amenable number.

51061554536273 is a deficient number, since it is larger than the sum of its proper divisors (1).

51061554536273 is an equidigital number, since it uses as much as digits as its factorization.

51061554536273 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340000, while the sum is 53.

The spelling of 51061554536273 in words is "fifty-one trillion, sixty-one billion, five hundred fifty-four million, five hundred thirty-six thousand, two hundred seventy-three".