555268 has 18 divisors (see below), whose sum is σ = 1130766. Its totient is φ = 237888.

The previous prime is 555257. The next prime is 555277. The reversal of 555268 is 862555.

It can be written as a sum of positive squares in only one way, i.e., 451584 + 103684 = 672^2 + 322^2 .

It is a congruent number.

It is an unprimeable 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 in 5 ways as a sum of consecutive naturals, for example, 1221 + ... + 1612.

2⁵⁵⁵²⁶⁸ is an apocalyptic number.

It is an amenable number.

555268 is an abundant number, since it is smaller than the sum of its proper divisors (575498).

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

555268 is a wasteful number, since it uses less digits than its factorization.

555268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851 (or 2842 counting only the distinct ones).

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

The square root of 555268 is about 745.1630694016. The cubic root of 555268 is about 82.1928832369.

The spelling of 555268 in words is "five hundred fifty-five thousand, two hundred sixty-eight".