53559169 has 2 divisors, whose sum is σ = 53559170. Its totient is φ = 53559168.

The previous prime is 53559139. The next prime is 53559173. The reversal of 53559169 is 96195535.

53559169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34374769 + 19184400 = 5863^2 + 4380^2 .

It is a cyclic number.

It is not a de Polignac number, because 53559169 - 2¹¹ = 53557121 is a prime.

It is a super-2 number, since 2×53559169² = 5737169167941122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53559139) 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, 26779584 + 26779585.

It is an arithmetic number, because the mean of its divisors is an integer number (26779585).

Almost surely, 2^53559169 is an apocalyptic number.

It is an amenable number.

53559169 is a deficient number, since it is larger than the sum of its proper divisors (1).

53559169 is an equidigital number, since it uses as much as digits as its factorization.

53559169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 182250, while the sum is 43.

The square root of 53559169 is about 7318.4130110291. The cubic root of 53559169 is about 376.9449621451.

The spelling of 53559169 in words is "fifty-three million, five hundred fifty-nine thousand, one hundred sixty-nine".