549952 has 28 divisors (see below), whose sum is σ = 1177036. Its totient is φ = 253440.

The previous prime is 549949. The next prime is 549977. The reversal of 549952 is 259945.

It can be written as a sum of positive squares in 2 ways, for example, as 254016 + 295936 = 504^2 + 544^2 .

It is a nialpdrome in base 16.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 502 + ... + 1162.

It is an arithmetic number, because the mean of its divisors is an integer number (42037).

2⁵⁴⁹⁹⁵² is an apocalyptic number.

549952 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (588518).

549952 is an abundant number, since it is smaller than the sum of its proper divisors (627084).

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

549952 is a wasteful number, since it uses less digits than its factorization.

549952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 686 (or 676 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The square root of 549952 is about 741.5874864101. The cubic root of 549952 is about 81.9297435107.

The spelling of 549952 in words is "five hundred forty-nine thousand, nine hundred fifty-two".