55443305000 has 80 divisors (see below), whose sum is σ = 130076002980. Its totient is φ = 22147904000.

The previous prime is 55443304999. The next prime is 55443305051. The reversal of 55443305000 is 50334455.

It can be written as a sum of positive squares in 10 ways, for example, as 2586536164 + 52856768836 = 50858^2 + 229906^2 .

It is an unprimeable number.

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, 3978044 + ... + 3991956.

Almost surely, 2^55443305000 is an apocalyptic number.

55443305000 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 55443305000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65038001490).

55443305000 is an abundant number, since it is smaller than the sum of its proper divisors (74632697980).

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

55443305000 is a wasteful number, since it uses less digits than its factorization.

55443305000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14736 (or 14717 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 29.

Adding to 55443305000 its reverse (50334455), we get a palindrome (55493639455).

The spelling of 55443305000 in words is "fifty-five billion, four hundred forty-three million, three hundred five thousand".