555066227 has 2 divisors, whose sum is σ = 555066228. Its totient is φ = 555066226.

The previous prime is 555066203. The next prime is 555066229. The reversal of 555066227 is 722660555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 555066227 - 2⁶ = 555066163 is a prime.

Together with 555066229, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (555066229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277533113 + 277533114.

It is an arithmetic number, because the mean of its divisors is an integer number (277533114).

Almost surely, 2^555066227 is an apocalyptic number.

555066227 is a deficient number, since it is larger than the sum of its proper divisors (1).

555066227 is an equidigital number, since it uses as much as digits as its factorization.

555066227 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 126000, while the sum is 38.

The square root of 555066227 is about 23559.8435266451. The cubic root of 555066227 is about 821.8292629485.

The spelling of 555066227 in words is "five hundred fifty-five million, sixty-six thousand, two hundred twenty-seven".