556606 has 16 divisors (see below), whose sum is σ = 874800. Its totient is φ = 265408.

The previous prime is 556601. The next prime is 556607. The reversal of 556606 is 606655.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (556601) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6210 + ... + 6298.

It is an arithmetic number, because the mean of its divisors is an integer number (54675).

2⁵⁵⁶⁶⁰⁶ is an apocalyptic number.

556606 is a deficient number, since it is larger than the sum of its proper divisors (318194).

556606 is a wasteful number, since it uses less digits than its factorization.

556606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 203.

The product of its (nonzero) digits is 5400, while the sum is 28.

The square root of 556606 is about 746.0603192772. The cubic root of 556606 is about 82.2588488984.

The spelling of 556606 in words is "five hundred fifty-six thousand, six hundred six".