549992900 has 18 divisors (see below), whose sum is σ = 1193484810. Its totient is φ = 219997120.

The previous prime is 549992873. The next prime is 549992903. The reversal of 549992900 is 9299945.

It can be written as a sum of positive squares in 3 ways, for example, as 9523396 + 540469504 = 3086^2 + 23248^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549992903) 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 5 ways as a sum of consecutive naturals, for example, 2749865 + ... + 2750064.

Almost surely, 2^549992900 is an apocalyptic number.

549992900 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

549992900 is an abundant number, since it is smaller than the sum of its proper divisors (643491910).

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

549992900 is a wasteful number, since it uses less digits than its factorization.

549992900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5499943 (or 5499936 counting only the distinct ones).

The product of its (nonzero) digits is 262440, while the sum is 47.

The square root of 549992900 is about 23451.9274261200. The cubic root of 549992900 is about 819.3177450212.

The spelling of 549992900 in words is "five hundred forty-nine million, nine hundred ninety-two thousand, nine hundred".