549988208 has 80 divisors (see below), whose sum is σ = 1353770496. Its totient is φ = 210213120.

The previous prime is 549988207. The next prime is 549988211. The reversal of 549988208 is 802889945.

It is a Harshad number since it is a multiple of its sum of digits (53).

It is a self number, because there is not a number n which added to its sum of digits gives 549988208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549988207) 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, 61085 + ... + 69507.

Almost surely, 2^549988208 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 549988208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (676885248).

549988208 is an abundant number, since it is smaller than the sum of its proper divisors (803782288).

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

549988208 is a wasteful number, since it uses less digits than its factorization.

549988208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8502 (or 8496 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 53.

The square root of 549988208 is about 23451.8273914849. The cubic root of 549988208 is about 819.3154151428.

The spelling of 549988208 in words is "five hundred forty-nine million, nine hundred eighty-eight thousand, two hundred eight".