555328 has 14 divisors (see below), whose sum is σ = 1102106. Its totient is φ = 277632.

The previous prime is 555307. The next prime is 555337. The reversal of 555328 is 823555.

It can be written as a sum of positive squares in only one way, i.e., 419904 + 135424 = 648^2 + 368^2 .

It is a junction number, because it is equal to n+sod(n) for n = 555296 and 555305.

It is a congruent number.

It is an unprimeable number.

555328 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4275 + ... + 4402.

2⁵⁵⁵³²⁸ is an apocalyptic number.

It is an amenable number.

555328 is a deficient number, since it is larger than the sum of its proper divisors (546778).

555328 is an equidigital number, since it uses as much as digits as its factorization.

555328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8689 (or 8679 counting only the distinct ones).

The product of its digits is 6000, while the sum is 28.

The square root of 555328 is about 745.2033279582. The cubic root of 555328 is about 82.1958436064.

The spelling of 555328 in words is "five hundred fifty-five thousand, three hundred twenty-eight".