C语言判断给定数字是否是回文数

一个5位数，判断它是不是回文数。即12321是回文数，个位与万位相同，十位与千位相同

#include "stdio.h"
#include "conio.h"
main( )
{
  long ge,shi,qian,wan,x;
  scanf("%ld",&x);
  wan=x/10000;
  qian=x%10000/1000;
  shi=x%100/10;
  ge=x%10;
  if(ge==wan&&shi==qian)/*个位等于万位并且十位等于千位*/
    printf("this number is a huiwen\n");
  else
    printf("this number is not a huiwen\n");
  getch();
}