2003044055 has 4 divisors (see below), whose sum is σ = 2403652872. Its totient is φ = 1602435240.

The previous prime is 2003044051. The next prime is 2003044061. The reversal of 2003044055 is 5504403002.

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

It is not a de Polignac number, because 2003044055 - 2² = 2003044051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2003044055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2003044051) 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 3 ways as a sum of consecutive naturals, for example, 200304401 + ... + 200304410.

It is an arithmetic number, because the mean of its divisors is an integer number (600913218).

Almost surely, 2^2003044055 is an apocalyptic number.

2003044055 is a deficient number, since it is larger than the sum of its proper divisors (400608817).

2003044055 is an equidigital number, since it uses as much as digits as its factorization.

2003044055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400608816.

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 2003044055 is about 44755.3801793706. The cubic root of 2003044055 is about 1260.5599373649.

Adding to 2003044055 its reverse (5504403002), we get a palindrome (7507447057).

The spelling of 2003044055 in words is "two billion, three million, forty-four thousand, fifty-five".