555928 has 8 divisors (see below), whose sum is σ = 1042380. Its totient is φ = 277960.

The previous prime is 555871. The next prime is 555931. The reversal of 555928 is 829555.

555928 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 (8).

It is a junction number, because it is equal to n+sod(n) for n = 555893 and 555902.

It is a congruent number.

It is an unprimeable number.

555928 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 as a sum of consecutive naturals, namely, 34738 + ... + 34753.

2⁵⁵⁵⁹²⁸ is an apocalyptic number.

It is an amenable number.

555928 is a deficient number, since it is larger than the sum of its proper divisors (486452).

555928 is a wasteful number, since it uses less digits than its factorization.

555928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69497 (or 69493 counting only the distinct ones).

The product of its digits is 18000, while the sum is 34.

The square root of 555928 is about 745.6057939689. The cubic root of 555928 is about 82.2254355804.

The spelling of 555928 in words is "five hundred fifty-five thousand, nine hundred twenty-eight".