556168853 has 2 divisors, whose sum is σ = 556168854. Its totient is φ = 556168852.

The previous prime is 556168829. The next prime is 556168871. The reversal of 556168853 is 358861655.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 543729124 + 12439729 = 23318^2 + 3527^2 .

It is a cyclic number.

It is not a de Polignac number, because 556168853 - 2⁸ = 556168597 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 556168798 and 556168807.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (556168883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278084426 + 278084427.

It is an arithmetic number, because the mean of its divisors is an integer number (278084427).

Almost surely, 2^556168853 is an apocalyptic number.

It is an amenable number.

556168853 is a deficient number, since it is larger than the sum of its proper divisors (1).

556168853 is an equidigital number, since it uses as much as digits as its factorization.

556168853 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864000, while the sum is 47.

The square root of 556168853 is about 23583.2324544368. The cubic root of 556168853 is about 822.3730845092.

The spelling of 556168853 in words is "five hundred fifty-six million, one hundred sixty-eight thousand, eight hundred fifty-three".