53565205013 has 2 divisors, whose sum is σ = 53565205014. Its totient is φ = 53565205012.

The previous prime is 53565204989. The next prime is 53565205027. The reversal of 53565205013 is 31050256535.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27797892529 + 25767312484 = 166727^2 + 160522^2 .

It is a cyclic number.

It is not a de Polignac number, because 53565205013 - 2¹⁴ = 53565188629 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53565205613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26782602506 + 26782602507.

It is an arithmetic number, because the mean of its divisors is an integer number (26782602507).

Almost surely, 2^53565205013 is an apocalyptic number.

It is an amenable number.

53565205013 is a deficient number, since it is larger than the sum of its proper divisors (1).

53565205013 is an equidigital number, since it uses as much as digits as its factorization.

53565205013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 67500, while the sum is 35.

The spelling of 53565205013 in words is "fifty-three billion, five hundred sixty-five million, two hundred five thousand, thirteen".