556803 has 12 divisors (see below), whose sum is σ = 866320. Its totient is φ = 342576.

The previous prime is 556799. The next prime is 556811. The reversal of 556803 is 308655.

556803 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 556803 - 2² = 556799 is a prime.

It is not an unprimeable number, because it can be changed into a prime (556823) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2263 + ... + 2496.

2⁵⁵⁶⁸⁰³ is an apocalyptic number.

556803 is a deficient number, since it is larger than the sum of its proper divisors (309517).

556803 is a wasteful number, since it uses less digits than its factorization.

556803 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4778 (or 4775 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 556803 is about 746.1923344554. The cubic root of 556803 is about 82.2685524001.

The spelling of 556803 in words is "five hundred fifty-six thousand, eight hundred three".