53156522565229 has 2 divisors, whose sum is σ = 53156522565230. Its totient is φ = 53156522565228.

The previous prime is 53156522565109. The next prime is 53156522565247. The reversal of 53156522565229 is 92256522565135.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 47480740453129 + 5675782112100 = 6890627^2 + 2382390^2 .

It is a cyclic number.

It is not a de Polignac number, because 53156522565229 - 2¹⁵ = 53156522532461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53156522565269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26578261282614 + 26578261282615.

It is an arithmetic number, because the mean of its divisors is an integer number (26578261282615).

Almost surely, 2^{53156522565229} is an apocalyptic number.

It is an amenable number.

53156522565229 is a deficient number, since it is larger than the sum of its proper divisors (1).

53156522565229 is an equidigital number, since it uses as much as digits as its factorization.

53156522565229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600000, while the sum is 58.

The spelling of 53156522565229 in words is "fifty-three trillion, one hundred fifty-six billion, five hundred twenty-two million, five hundred sixty-five thousand, two hundred twenty-nine".