550456 has 16 divisors (see below), whose sum is σ = 1045800. Its totient is φ = 271584.

The previous prime is 550447. The next prime is 550457. The reversal of 550456 is 654055.

It is a self number, because there is not a number n which added to its sum of digits gives 550456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550457) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250 + ... + 1078.

2⁵⁵⁰⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

550456 is a deficient number, since it is larger than the sum of its proper divisors (495344).

550456 is a wasteful number, since it uses less digits than its factorization.

550456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 918 (or 914 counting only the distinct ones).

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 550456 is about 741.9272201503. The cubic root of 550456 is about 81.9547638658.

The spelling of 550456 in words is "five hundred fifty thousand, four hundred fifty-six".