549828100 has 36 divisors (see below), whose sum is σ = 1220883664. Its totient is φ = 214814880.

The previous prime is 549828089. The next prime is 549828109. The reversal of 549828100 is 1828945.

It is a super-2 number, since 2×549828100² = 604621879099220000, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 549828100.

It is not an unprimeable number, because it can be changed into a prime (549828109) 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 11 ways as a sum of consecutive naturals, for example, 59634 + ... + 68233.

Almost surely, 2^549828100 is an apocalyptic number.

549828100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

549828100 is an abundant number, since it is smaller than the sum of its proper divisors (671055564).

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

549828100 is a wasteful number, since it uses less digits than its factorization.

549828100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127924 (or 127917 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 37.

The square root of 549828100 is about 23448.4135923947. The cubic root of 549828100 is about 819.2359033267.

The spelling of 549828100 in words is "five hundred forty-nine million, eight hundred twenty-eight thousand, one hundred".