549435000 has 80 divisors (see below), whose sum is σ = 1716481800. Its totient is φ = 146512000.

The previous prime is 549434987. The next prime is 549435001. The reversal of 549435000 is 534945.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (549435001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3315 + ... + 33314.

Almost surely, 2^549435000 is an apocalyptic number.

549435000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 549435000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (858240900).

549435000 is an abundant number, since it is smaller than the sum of its proper divisors (1167046800).

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

549435000 is a wasteful number, since it uses less digits than its factorization.

549435000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36658 (or 36639 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 549435000 is about 23440.0298634622. The cubic root of 549435000 is about 819.0406190114.

Adding to 549435000 its reverse (534945), we get a palindrome (549969945).

The spelling of 549435000 in words is "five hundred forty-nine million, four hundred thirty-five thousand".