556089 has 4 divisors (see below), whose sum is σ = 741456. Its totient is φ = 370724.

The previous prime is 556069. The next prime is 556093. The reversal of 556089 is 980655.

556089 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-556089 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (556069) 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, 92679 + ... + 92684.

It is an arithmetic number, because the mean of its divisors is an integer number (185364).

2⁵⁵⁶⁰⁸⁹ is an apocalyptic number.

It is an amenable number.

556089 is a deficient number, since it is larger than the sum of its proper divisors (185367).

556089 is a wasteful number, since it uses less digits than its factorization.

556089 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185366.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 556089 is about 745.7137520524. The cubic root of 556089 is about 82.2333724699.

The spelling of 556089 in words is "five hundred fifty-six thousand, eighty-nine".