556268 has 6 divisors (see below), whose sum is σ = 973476. Its totient is φ = 278132.

The previous prime is 556267. The next prime is 556271. The reversal of 556268 is 862655.

It is a happy number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (556261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 69530 + ... + 69537.

It is an arithmetic number, because the mean of its divisors is an integer number (162246).

2⁵⁵⁶²⁶⁸ is an apocalyptic number.

It is an amenable number.

556268 is a deficient number, since it is larger than the sum of its proper divisors (417208).

556268 is a wasteful number, since it uses less digits than its factorization.

556268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139071 (or 139069 counting only the distinct ones).

The product of its digits is 14400, while the sum is 32.

The square root of 556268 is about 745.8337616386. The cubic root of 556268 is about 82.2421949154.

The spelling of 556268 in words is "five hundred fifty-six thousand, two hundred sixty-eight".