556729163 has 4 divisors (see below), whose sum is σ = 561836880. Its totient is φ = 551621448.

The previous prime is 556729109. The next prime is 556729177. The reversal of 556729163 is 361927655.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556729163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (556729193) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2553695 + ... + 2553912.

It is an arithmetic number, because the mean of its divisors is an integer number (140459220).

Almost surely, 2^556729163 is an apocalyptic number.

556729163 is a deficient number, since it is larger than the sum of its proper divisors (5107717).

556729163 is a wasteful number, since it uses less digits than its factorization.

556729163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5107716.

The product of its digits is 340200, while the sum is 44.

The square root of 556729163 is about 23595.1088787486. The cubic root of 556729163 is about 822.6491572694.

The spelling of 556729163 in words is "five hundred fifty-six million, seven hundred twenty-nine thousand, one hundred sixty-three".