556812 has 18 divisors (see below), whose sum is σ = 1407588. Its totient is φ = 185592.

The previous prime is 556811. The next prime is 556817. The reversal of 556812 is 218655.

556812 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (18).

It is not an unprimeable number, because it can be changed into a prime (556811) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7698 + ... + 7769.

2⁵⁵⁶⁸¹² is an apocalyptic number.

It is an amenable number.

556812 is an abundant number, since it is smaller than the sum of its proper divisors (850776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

556812 is a wasteful number, since it uses less digits than its factorization.

556812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15477 (or 15472 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 556812 is about 746.1983650478. The cubic root of 556812 is about 82.2689956526.

The spelling of 556812 in words is "five hundred fifty-six thousand, eight hundred twelve".