556596 has 18 divisors (see below), whose sum is σ = 1407042. Its totient is φ = 185520.

The previous prime is 556583. The next prime is 556601. The reversal of 556596 is 695655.

556596 is a `hidden beast` number, since 5 + 565 + 96 = 666.

556596 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 404496 + 152100 = 636^2 + 390^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 15461 = 556596 / (5 + 5 + 6 + 5 + 9 + 6).

It is a self number, because there is not a number n which added to its sum of digits gives 556596.

It is a congruent number.

It is an unprimeable number.

556596 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7695 + ... + 7766.

It is an arithmetic number, because the mean of its divisors is an integer number (78169).

2⁵⁵⁶⁵⁹⁶ is an apocalyptic number.

It is an amenable number.

556596 is an abundant number, since it is smaller than the sum of its proper divisors (850446).

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

556596 is a wasteful number, since it uses less digits than its factorization.

556596 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15471 (or 15466 counting only the distinct ones).

The product of its digits is 40500, while the sum is 36.

The square root of 556596 is about 746.0536173761. The cubic root of 556596 is about 82.2583562738.

The spelling of 556596 in words is "five hundred fifty-six thousand, five hundred ninety-six".