556563163 has 4 divisors (see below), whose sum is σ = 599375728. Its totient is φ = 513750600.

The previous prime is 556563121. The next prime is 556563173. The reversal of 556563163 is 361365655.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 556563163 - 2⁹ = 556562651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556563103) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21406263 + ... + 21406288.

It is an arithmetic number, because the mean of its divisors is an integer number (149843932).

Almost surely, 2^556563163 is an apocalyptic number.

556563163 is a deficient number, since it is larger than the sum of its proper divisors (42812565).

556563163 is a wasteful number, since it uses less digits than its factorization.

556563163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42812564.

The product of its digits is 243000, while the sum is 40.

The square root of 556563163 is about 23591.5909382983. The cubic root of 556563163 is about 822.5673860097.

The spelling of 556563163 in words is "five hundred fifty-six million, five hundred sixty-three thousand, one hundred sixty-three".