549080 has 64 divisors (see below), whose sum is σ = 1477440. Its totient is φ = 179712.

The previous prime is 549071. The next prime is 549089. The reversal of 549080 is 80945.

549080 = 2³ + 3³ + ... + 38³.

It is a Cunningham number, because it is equal to 741²-1.

It is an interprime number because it is at equal distance from previous prime (549071) and next prime (549089).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549089) by changing a digit.

549080 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 15 ways as a sum of consecutive naturals, for example, 10334 + ... + 10386.

It is an arithmetic number, because the mean of its divisors is an integer number (23085).

2⁵⁴⁹⁰⁸⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (738720).

549080 is an abundant number, since it is smaller than the sum of its proper divisors (928360).

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

549080 is a wasteful number, since it uses less digits than its factorization.

549080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 104 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 26.

The square root of 549080 is about 740.9993252359. Note that the first 3 decimals coincide. The cubic root of 549080 is about 81.8864181966.

The spelling of 549080 in words is "five hundred forty-nine thousand, eighty".