553666229 has 2 divisors, whose sum is σ = 553666230. Its totient is φ = 553666228.

The previous prime is 553666219. The next prime is 553666271. The reversal of 553666229 is 922666355.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 553660900 + 5329 = 23530^2 + 73^2 .

It is a cyclic number.

It is not a de Polignac number, because 553666229 - 2¹⁶ = 553600693 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 553666229.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553666219) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276833114 + 276833115.

It is an arithmetic number, because the mean of its divisors is an integer number (276833115).

Almost surely, 2^553666229 is an apocalyptic number.

It is an amenable number.

553666229 is a deficient number, since it is larger than the sum of its proper divisors (1).

553666229 is an equidigital number, since it uses as much as digits as its factorization.

553666229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 44.

The square root of 553666229 is about 23530.1132381466. The cubic root of 553666229 is about 821.1377370568.

The spelling of 553666229 in words is "five hundred fifty-three million, six hundred sixty-six thousand, two hundred twenty-nine".