549882 has 32 divisors (see below), whose sum is σ = 1296000. Its totient is φ = 172224.

The previous prime is 549877. The next prime is 549883. The reversal of 549882 is 288945.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 549882.

It is not an unprimeable number, because it can be changed into a prime (549883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 619 + ... + 1217.

It is an arithmetic number, because the mean of its divisors is an integer number (40500).

2⁵⁴⁹⁸⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549882, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (648000).

549882 is an abundant number, since it is smaller than the sum of its proper divisors (746118).

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

549882 is a wasteful number, since it uses less digits than its factorization.

549882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 627 (or 621 counting only the distinct ones).

The product of its digits is 23040, while the sum is 36.

The square root of 549882 is about 741.5402888583. The cubic root of 549882 is about 81.9262672525.

It can be divided in two parts, 549 and 882, that added together give a triangular number (1431 = T₅₃).

The spelling of 549882 in words is "five hundred forty-nine thousand, eight hundred eighty-two".