43030055205 has 24 divisors (see below), whose sum is σ = 76601254392. Its totient is φ = 22329108864.

The previous prime is 43030055161. The next prime is 43030055213. The reversal of 43030055205 is 50255003034.

It can be written as a sum of positive squares in 4 ways, for example, as 3580945281 + 39449109924 = 59841^2 + 198618^2 .

It is not a de Polignac number, because 43030055205 - 2⁶ = 43030055141 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 12920274 + ... + 12923603.

It is an arithmetic number, because the mean of its divisors is an integer number (3191718933).

Almost surely, 2^43030055205 is an apocalyptic number.

43030055205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

43030055205 is a deficient number, since it is larger than the sum of its proper divisors (33571199187).

43030055205 is a wasteful number, since it uses less digits than its factorization.

43030055205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25843925 (or 25843922 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 27.

Adding to 43030055205 its reverse (50255003034), we get a palindrome (93285058239).

The spelling of 43030055205 in words is "forty-three billion, thirty million, fifty-five thousand, two hundred five".