549055400 has 24 divisors (see below), whose sum is σ = 1276554270. Its totient is φ = 219622080.

The previous prime is 549055393. The next prime is 549055427. The reversal of 549055400 is 4550945.

It is a happy number.

549055400 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 261210244 + 287845156 = 16162^2 + 16966^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1372439 + ... + 1372838.

Almost surely, 2^549055400 is an apocalyptic number.

549055400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

549055400 is an abundant number, since it is smaller than the sum of its proper divisors (727498870).

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

549055400 is a wasteful number, since it uses less digits than its factorization.

549055400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745293 (or 2745284 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 549055400 is about 23431.9312050885. The cubic root of 549055400 is about 818.8519528072.

The spelling of 549055400 in words is "five hundred forty-nine million, fifty-five thousand, four hundred".