556924169 has 2 divisors, whose sum is σ = 556924170. Its totient is φ = 556924168.

The previous prime is 556924141. The next prime is 556924177. The reversal of 556924169 is 961429655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 556346569 + 577600 = 23587^2 + 760^2 .

It is a cyclic number.

It is not a de Polignac number, because 556924169 - 2¹⁶ = 556858633 is a prime.

It is a super-2 number, since 2×556924169² = 620329060032681122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (556924189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278462084 + 278462085.

It is an arithmetic number, because the mean of its divisors is an integer number (278462085).

Almost surely, 2^556924169 is an apocalyptic number.

It is an amenable number.

556924169 is a deficient number, since it is larger than the sum of its proper divisors (1).

556924169 is an equidigital number, since it uses as much as digits as its factorization.

556924169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 583200, while the sum is 47.

The square root of 556924169 is about 23599.2408564343. The cubic root of 556924169 is about 822.7451960650.

The spelling of 556924169 in words is "five hundred fifty-six million, nine hundred twenty-four thousand, one hundred sixty-nine".