2005505503 has 2 divisors, whose sum is σ = 2005505504. Its totient is φ = 2005505502.

The previous prime is 2005505501. The next prime is 2005505519. The reversal of 2005505503 is 3055055002.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2005505503 - 2¹ = 2005505501 is a prime.

Together with 2005505501, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2005505501) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1002752751 + 1002752752.

It is an arithmetic number, because the mean of its divisors is an integer number (1002752752).

Almost surely, 2^2005505503 is an apocalyptic number.

2005505503 is a deficient number, since it is larger than the sum of its proper divisors (1).

2005505503 is an equidigital number, since it uses as much as digits as its factorization.

2005505503 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3750, while the sum is 25.

The square root of 2005505503 is about 44782.8706426911. The cubic root of 2005505503 is about 1261.0760738976.

The spelling of 2005505503 in words is "two billion, five million, five hundred five thousand, five hundred three".