549456 has 20 divisors (see below), whose sum is σ = 1419552. Its totient is φ = 183136.

The previous prime is 549449. The next prime is 549481. The reversal of 549456 is 654945.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is an unprimeable number.

549456 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5676 + ... + 5771.

2⁵⁴⁹⁴⁵⁶ is an apocalyptic number.

It is an amenable number.

549456 is an abundant number, since it is smaller than the sum of its proper divisors (870096).

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

549456 is a wasteful number, since it uses less digits than its factorization.

549456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11458 (or 11452 counting only the distinct ones).

The product of its digits is 21600, while the sum is 33.

The square root of 549456 is about 741.2529932486. The cubic root of 549456 is about 81.9051053751.

The spelling of 549456 in words is "five hundred forty-nine thousand, four hundred fifty-six".