555606 has 16 divisors (see below), whose sum is σ = 1234800. Its totient is φ = 185184.

The previous prime is 555593. The next prime is 555637. The reversal of 555606 is 606555.

555606 is a `hidden beast` number, since 5 + 55 + 606 = 666.

555606 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 555606.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5091 + ... + 5198.

It is an arithmetic number, because the mean of its divisors is an integer number (77175).

2⁵⁵⁵⁶⁰⁶ is an apocalyptic number.

555606 is an abundant number, since it is smaller than the sum of its proper divisors (679194).

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

555606 is a wasteful number, since it uses less digits than its factorization.

555606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10300 (or 10294 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 555606 is about 745.3898308939. The cubic root of 555606 is about 82.2095572030.

It can be divided in two parts, 5 and 55606, that added together give a triangular number (55611 = T₃₃₃).

The spelling of 555606 in words is "five hundred fifty-five thousand, six hundred six".