55335169 has 2 divisors, whose sum is σ = 55335170. Its totient is φ = 55335168.

The previous prime is 55335151. The next prime is 55335191. The reversal of 55335169 is 96153355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50979600 + 4355569 = 7140^2 + 2087^2 .

It is a cyclic number.

It is not a de Polignac number, because 55335169 - 2⁷ = 55335041 is a prime.

It is a super-2 number, since 2×55335169² = 6123961856517122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55335149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27667584 + 27667585.

It is an arithmetic number, because the mean of its divisors is an integer number (27667585).

Almost surely, 2^55335169 is an apocalyptic number.

It is an amenable number.

55335169 is a deficient number, since it is larger than the sum of its proper divisors (1).

55335169 is an equidigital number, since it uses as much as digits as its factorization.

55335169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60750, while the sum is 37.

The square root of 55335169 is about 7438.7612544025. The cubic root of 55335169 is about 381.0661862637.

The spelling of 55335169 in words is "fifty-five million, three hundred thirty-five thousand, one hundred sixty-nine".