555628 has 12 divisors (see below), whose sum is σ = 1029672. Its totient is φ = 261440.

The previous prime is 555593. The next prime is 555637. The reversal of 555628 is 826555.

555628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 555628.

It is an unprimeable number.

555628 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 3 ways as a sum of consecutive naturals, for example, 4018 + ... + 4153.

It is an arithmetic number, because the mean of its divisors is an integer number (85806).

2⁵⁵⁵⁶²⁸ is an apocalyptic number.

It is an amenable number.

555628 is a deficient number, since it is larger than the sum of its proper divisors (474044).

555628 is a wasteful number, since it uses less digits than its factorization.

555628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8192 (or 8190 counting only the distinct ones).

The product of its digits is 12000, while the sum is 31.

The square root of 555628 is about 745.4045881265. The cubic root of 555628 is about 82.2106422563.

The spelling of 555628 in words is "five hundred fifty-five thousand, six hundred twenty-eight".