52727640517 has 2 divisors, whose sum is σ = 52727640518. Its totient is φ = 52727640516.

The previous prime is 52727640479. The next prime is 52727640527. The reversal of 52727640517 is 71504672725.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48070124001 + 4657516516 = 219249^2 + 68246^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-52727640517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52727640527) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26363820258 + 26363820259.

It is an arithmetic number, because the mean of its divisors is an integer number (26363820259).

Almost surely, 2^52727640517 is an apocalyptic number.

It is an amenable number.

52727640517 is a deficient number, since it is larger than the sum of its proper divisors (1).

52727640517 is an equidigital number, since it uses as much as digits as its factorization.

52727640517 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 823200, while the sum is 46.

The spelling of 52727640517 in words is "fifty-two billion, seven hundred twenty-seven million, six hundred forty thousand, five hundred seventeen".