556526227 has 2 divisors, whose sum is σ = 556526228. Its totient is φ = 556526226.

The previous prime is 556526203. The next prime is 556526249. The reversal of 556526227 is 722625655.

It is a happy number.

556526227 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 is a cyclic number.

It is not a de Polignac number, because 556526227 - 2⁷ = 556526099 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 556526227.

It is not a weakly prime, because it can be changed into another prime (556526027) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278263113 + 278263114.

It is an arithmetic number, because the mean of its divisors is an integer number (278263114).

Almost surely, 2^556526227 is an apocalyptic number.

556526227 is a deficient number, since it is larger than the sum of its proper divisors (1).

556526227 is an equidigital number, since it uses as much as digits as its factorization.

556526227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 252000, while the sum is 40.

The square root of 556526227 is about 23590.8081040053. The cubic root of 556526227 is about 822.5491892004.

The spelling of 556526227 in words is "five hundred fifty-six million, five hundred twenty-six thousand, two hundred twenty-seven".