C++ Program to check whether a character is uppercase, lowercase ,digit or special character

//C++ program
//Character is alphabet, a digit, or a special character
#include <iostream>
using namespace std;
int main()
{
    char charCheck;
    cout<<"Enter a character: "; cin>>charCheck;
    //for uppercase alphabets
    if((charCheck >= 65) && (charCheck <= 90)) 
    {
        cout<<charCheck<<" is Uppercase Alphabet"; } // for lowercase alphabets else if((charCheck >= 97) && (charCheck <= 122))
    {
        cout<<charCheck<<" is Lowercase Alphabet"; } //for digits else if((charCheck >= 48) && (charCheck <= 57))
    {
        cout<<charCheck<<" is a Digit";
    }
    //all remaining are special characters
    else
    {
        cout<<charCheck<<" is a Special Character";
    }
    return 0; 
}