556574189 has 2 divisors, whose sum is σ = 556574190. Its totient is φ = 556574188.

The previous prime is 556574173. The next prime is 556574219. The reversal of 556574189 is 981475655.

556574189 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 517198564 + 39375625 = 22742^2 + 6275^2 .

It is a cyclic number.

It is not a de Polignac number, because 556574189 - 2⁴ = 556574173 is a prime.

It is a super-2 number, since 2×556574189² = 619549655722015442, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556504189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278287094 + 278287095.

It is an arithmetic number, because the mean of its divisors is an integer number (278287095).

Almost surely, 2^556574189 is an apocalyptic number.

It is an amenable number.

556574189 is a deficient number, since it is larger than the sum of its proper divisors (1).

556574189 is an equidigital number, since it uses as much as digits as its factorization.

556574189 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1512000, while the sum is 50.

The square root of 556574189 is about 23591.8246221016. The cubic root of 556574189 is about 822.5728178987.

The spelling of 556574189 in words is "five hundred fifty-six million, five hundred seventy-four thousand, one hundred eighty-nine".