53066774525213 has 2 divisors, whose sum is σ = 53066774525214. Its totient is φ = 53066774525212.

The previous prime is 53066774525189. The next prime is 53066774525351. The reversal of 53066774525213 is 31252547766035.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 45856706410564 + 7210068114649 = 6771758^2 + 2685157^2 .

It is a cyclic number.

It is not a de Polignac number, because 53066774525213 - 2²⁰ = 53066773476637 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53066774521213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26533387262606 + 26533387262607.

It is an arithmetic number, because the mean of its divisors is an integer number (26533387262607).

Almost surely, 2^{53066774525213} is an apocalyptic number.

It is an amenable number.

53066774525213 is a deficient number, since it is larger than the sum of its proper divisors (1).

53066774525213 is an equidigital number, since it uses as much as digits as its factorization.

53066774525213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31752000, while the sum is 56.

The spelling of 53066774525213 in words is "fifty-three trillion, sixty-six billion, seven hundred seventy-four million, five hundred twenty-five thousand, two hundred thirteen".