51063550313 has 2 divisors, whose sum is σ = 51063550314. Its totient is φ = 51063550312.

The previous prime is 51063550271. The next prime is 51063550357. The reversal of 51063550313 is 31305536015.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35945126464 + 15118423849 = 189592^2 + 122957^2 .

It is a cyclic number.

It is not a de Polignac number, because 51063550313 - 2¹⁰ = 51063549289 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51063550313.

It is not a weakly prime, because it can be changed into another prime (51063553313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25531775156 + 25531775157.

It is an arithmetic number, because the mean of its divisors is an integer number (25531775157).

Almost surely, 2^51063550313 is an apocalyptic number.

It is an amenable number.

51063550313 is a deficient number, since it is larger than the sum of its proper divisors (1).

51063550313 is an equidigital number, since it uses as much as digits as its factorization.

51063550313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 20250, while the sum is 32.

The spelling of 51063550313 in words is "fifty-one billion, sixty-three million, five hundred fifty thousand, three hundred thirteen".