A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5500200 can be evenly divided by 1 2 3 4 5 6 8 10 12 15 20 24 25 30 40 50 60 75 89 100 103 120 150 178 200 206 267 300 309 356 412 445 515 534 600 618 712 824 890 1,030 1,068 1,236 1,335 1,545 1,780 2,060 2,136 2,225 2,472 2,575 2,670 3,090 3,560 4,120 4,450 5,150 5,340 6,180 6,675 7,725 8,900 9,167 10,300 10,680 12,360 13,350 15,450 17,800 18,334 20,600 26,700 27,501 30,900 36,668 45,835 53,400 55,002 61,800 73,336 91,670 110,004 137,505 183,340 220,008 229,175 275,010 366,680 458,350 550,020 687,525 916,700 1,100,040 1,375,050 1,833,400 2,750,100 and 5,500,200, with no remainder.
Since 5,500,200 cannot be divided by just 1 and 5,500,200, it is not a prime number.