4431808055 has 4 divisors (see below), whose sum is σ = 5318169672. Its totient is φ = 3545446440.

The previous prime is 4431808037. The next prime is 4431808057. The reversal of 4431808055 is 5508081344.

It is a semiprime because it is the product of two primes.

It is a de Polignac number, because none of the positive numbers 2^k-4431808055 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431808057) 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 3 ways as a sum of consecutive naturals, for example, 443180801 + ... + 443180810.

It is an arithmetic number, because the mean of its divisors is an integer number (1329542418).

Almost surely, 2^4431808055 is an apocalyptic number.

4431808055 is a deficient number, since it is larger than the sum of its proper divisors (886361617).

4431808055 is an equidigital number, since it uses as much as digits as its factorization.

4431808055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 886361616.

The product of its (nonzero) digits is 76800, while the sum is 38.

The square root of 4431808055 is about 66571.8262855992. The cubic root of 4431808055 is about 1642.5817029863.

Adding to 4431808055 its reverse (5508081344), we get a palindrome (9939889399).

The spelling of 4431808055 in words is "four billion, four hundred thirty-one million, eight hundred eight thousand, fifty-five".