53166517 has 2 divisors, whose sum is σ = 53166518. Its totient is φ = 53166516.

The previous prime is 53166439. The next prime is 53166551. The reversal of 53166517 is 71566135.

53166517 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an a-pointer prime, because the next prime (53166551) can be obtained adding 53166517 to its sum of digits (34).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51969681 + 1196836 = 7209^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 53166517 - 2¹⁹ = 52642229 is a prime.

It is a super-2 number, since 2×53166517² = 5653357059822578, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53166587) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26583258 + 26583259.

It is an arithmetic number, because the mean of its divisors is an integer number (26583259).

Almost surely, 2^53166517 is an apocalyptic number.

It is an amenable number.

53166517 is a deficient number, since it is larger than the sum of its proper divisors (1).

53166517 is an equidigital number, since it uses as much as digits as its factorization.

53166517 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18900, while the sum is 34.

The square root of 53166517 is about 7291.5373550439. The cubic root of 53166517 is about 376.0215512206.

The spelling of 53166517 in words is "fifty-three million, one hundred sixty-six thousand, five hundred seventeen".