555056 has 20 divisors (see below), whose sum is σ = 1088472. Its totient is φ = 274176.

The previous prime is 555053. The next prime is 555073. The reversal of 555056 is 650555.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (555053) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 1655 + ... + 1961.

2⁵⁵⁵⁰⁵⁶ is an apocalyptic number.

It is an amenable number.

555056 is a deficient number, since it is larger than the sum of its proper divisors (533416).

555056 is a wasteful number, since it uses less digits than its factorization.

555056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 555056 is about 745.0208050786. The cubic root of 555056 is about 82.1824215563.

The spelling of 555056 in words is "five hundred fifty-five thousand, fifty-six".