549944000 has 56 divisors (see below), whose sum is σ = 1361956128. Its totient is φ = 219974400.

The previous prime is 549943997. The next prime is 549944009. The reversal of 549944000 is 449945.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (549944009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26372 + ... + 42371.

Almost surely, 2^549944000 is an apocalyptic number.

549944000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

549944000 is an abundant number, since it is smaller than the sum of its proper divisors (812012128).

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

549944000 is an equidigital number, since it uses as much as digits as its factorization.

549944000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68770 (or 68750 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 549944000 is about 23450.8848447132. The cubic root of 549944000 is about 819.2934623895.

The spelling of 549944000 in words is "five hundred forty-nine million, nine hundred forty-four thousand".