5530181 has 2 divisors, whose sum is σ = 5530182. Its totient is φ = 5530180.

The previous prime is 5530169. The next prime is 5530201. The reversal of 5530181 is 1810355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5313025 + 217156 = 2305^2 + 466^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5530181 is a prime.

It is a super-2 number, since 2×5530181² = 61165803785522, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5530141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2765090 + 2765091.

It is an arithmetic number, because the mean of its divisors is an integer number (2765091).

Almost surely, 2^5530181 is an apocalyptic number.

It is an amenable number.

5530181 is a deficient number, since it is larger than the sum of its proper divisors (1).

5530181 is an equidigital number, since it uses as much as digits as its factorization.

5530181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 600, while the sum is 23.

The square root of 5530181 is about 2351.6336874607. The cubic root of 5530181 is about 176.8397050694.

The spelling of 5530181 in words is "five million, five hundred thirty thousand, one hundred eighty-one".