53161745513 has 2 divisors, whose sum is σ = 53161745514. Its totient is φ = 53161745512.

The previous prime is 53161745491. The next prime is 53161745519. The reversal of 53161745513 is 31554716135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34181723689 + 18980021824 = 184883^2 + 137768^2 .

It is a cyclic number.

It is not a de Polignac number, because 53161745513 - 2⁸ = 53161745257 is a prime.

It is not a weakly prime, because it can be changed into another prime (53161745519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26580872756 + 26580872757.

It is an arithmetic number, because the mean of its divisors is an integer number (26580872757).

Almost surely, 2^53161745513 is an apocalyptic number.

It is an amenable number.

53161745513 is a deficient number, since it is larger than the sum of its proper divisors (1).

53161745513 is an equidigital number, since it uses as much as digits as its factorization.

53161745513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 189000, while the sum is 41.

The spelling of 53161745513 in words is "fifty-three billion, one hundred sixty-one million, seven hundred forty-five thousand, five hundred thirteen".