The number 5,455,800 can be evenly divided by 1 2 3 4 5 6 7 8 9 10 12 14 15 18 20 21 24 25 28 30 35 36 40 42 45 50 56 60 63 70 72 75 84 90 100 105 120 126 140 150 168 175 180 200 210 225 252 280 300 315 350 360 420 433 450 504 525 600 630 700 840 866 900 1,050 1,260 1,299 1,400 1,575 1,732 1,800 2,100 2,165 2,520 2,598 3,031 3,150 3,464 3,897 4,200 4,330 5,196 6,062 6,300 6,495 7,794 8,660 9,093 10,392 10,825 12,124 12,600 12,990 15,155 15,588 17,320 18,186 19,485 21,650 24,248 25,980 27,279 30,310 31,176 32,475 36,372 38,970 43,300 45,465 51,960 54,558 60,620 64,950 72,744 75,775 77,940 86,600 90,930 97,425 109,116 121,240 129,900 136,395 151,550 155,880 181,860 194,850 218,232 227,325 259,800 272,790 303,100 363,720 389,700 454,650 545,580 606,200 681,975 779,400 909,300 1,091,160 1,363,950 1,818,600 2,727,900 and 5,455,800, with no remainder.
Since 5,455,800 cannot be divided by just 1 and 5,455,800, it is a composite number.