2005552103 has 4 divisors (see below), whose sum is σ = 2005708560. Its totient is φ = 2005395648.

The previous prime is 2005552097. The next prime is 2005552111. The reversal of 2005552103 is 3012555002.

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

It is a cyclic number.

It is not a de Polignac number, because 2005552103 - 2¹⁸ = 2005289959 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 (2005552303) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57098 + ... + 85271.

It is an arithmetic number, because the mean of its divisors is an integer number (501427140).

Almost surely, 2^2005552103 is an apocalyptic number.

2005552103 is a deficient number, since it is larger than the sum of its proper divisors (156457).

2005552103 is a wasteful number, since it uses less digits than its factorization.

2005552103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156456.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 2005552103 is about 44783.3909278875. The cubic root of 2005552103 is about 1261.0858412921.

The spelling of 2005552103 in words is "two billion, five million, five hundred fifty-two thousand, one hundred three".