549004 has 6 divisors (see below), whose sum is σ = 960764. Its totient is φ = 274500.

The previous prime is 549001. The next prime is 549011. The reversal of 549004 is 400945.

It is a nialpdrome in base 7.

It is a zygodrome in base 7.

It is not an unprimeable number, because it can be changed into a prime (549001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 68622 + ... + 68629.

2⁵⁴⁹⁰⁰⁴ is an apocalyptic number.

It is an amenable number.

549004 is a deficient number, since it is larger than the sum of its proper divisors (411760).

549004 is a wasteful number, since it uses less digits than its factorization.

549004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137255 (or 137253 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 549004 is about 740.9480413632. The cubic root of 549004 is about 81.8826399646.

Adding to 549004 its reverse (400945), we get a palindrome (949949).

The spelling of 549004 in words is "five hundred forty-nine thousand, four".