556163233 has 2 divisors, whose sum is σ = 556163234. Its totient is φ = 556163232.

The previous prime is 556163197. The next prime is 556163263. The reversal of 556163233 is 332361655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 333318049 + 222845184 = 18257^2 + 14928^2 .

It is a cyclic number.

It is not a de Polignac number, because 556163233 - 2⁹ = 556162721 is a prime.

It is not a weakly prime, because it can be changed into another prime (556163263) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278081616 + 278081617.

It is an arithmetic number, because the mean of its divisors is an integer number (278081617).

Almost surely, 2^556163233 is an apocalyptic number.

It is an amenable number.

556163233 is a deficient number, since it is larger than the sum of its proper divisors (1).

556163233 is an equidigital number, since it uses as much as digits as its factorization.

556163233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 48600, while the sum is 34.

The square root of 556163233 is about 23583.1133016826. The cubic root of 556163233 is about 822.3703145157.

The spelling of 556163233 in words is "five hundred fifty-six million, one hundred sixty-three thousand, two hundred thirty-three".