556552201 has 2 divisors, whose sum is σ = 556552202. Its totient is φ = 556552200.

The previous prime is 556552189. The next prime is 556552231. The reversal of 556552201 is 102255655.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 453732601 + 102819600 = 21301^2 + 10140^2 .

It is a cyclic number.

It is not a de Polignac number, because 556552201 - 2⁵ = 556552169 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (556552231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278276100 + 278276101.

It is an arithmetic number, because the mean of its divisors is an integer number (278276101).

Almost surely, 2^556552201 is an apocalyptic number.

It is an amenable number.

556552201 is a deficient number, since it is larger than the sum of its proper divisors (1).

556552201 is an equidigital number, since it uses as much as digits as its factorization.

556552201 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15000, while the sum is 31.

The square root of 556552201 is about 23591.3586086092. The cubic root of 556552201 is about 822.5619855787.

The spelling of 556552201 in words is "five hundred fifty-six million, five hundred fifty-two thousand, two hundred one".