549054 has 48 divisors (see below), whose sum is σ = 1347840. Its totient is φ = 160080.

The previous prime is 549037. The next prime is 549071. The reversal of 549054 is 450945.

It is an interprime number because it is at equal distance from previous prime (549037) and next prime (549071).

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

It is a Curzon number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 549054.

It is an unprimeable number.

549054 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 23 ways as a sum of consecutive naturals, for example, 9277 + ... + 9335.

It is an arithmetic number, because the mean of its divisors is an integer number (28080).

2⁵⁴⁹⁰⁵⁴ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (673920).

549054 is an abundant number, since it is smaller than the sum of its proper divisors (798786).

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

549054 is a wasteful number, since it uses less digits than its factorization.

549054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125 (or 122 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 549054 is about 740.9817811525. The cubic root of 549054 is about 81.8851256828.

Adding to 549054 its sum of digits (27), we get a square (549081 = 741²).

Adding to 549054 its reverse (450945), we get a palindrome (999999).

The spelling of 549054 in words is "five hundred forty-nine thousand, fifty-four".