A prime number is a natural number, greater than one, that can only be divided by 1 and itself.
The number 5570565 can be evenly divided by 1 3 5 7 11 13 15 21 33 35 39 49 53 55 65 77 91 105 143 147 159 165 195 231 245 265 273 371 385 429 455 539 583 637 689 715 735 795 1,001 1,113 1,155 1,365 1,617 1,749 1,855 1,911 2,067 2,145 2,597 2,695 2,915 3,003 3,185 3,445 4,081 4,823 5,005 5,565 7,007 7,579 7,791 8,085 8,745 9,555 10,335 12,243 12,985 14,469 15,015 20,405 21,021 22,737 24,115 28,567 33,761 35,035 37,895 38,955 53,053 61,215 72,345 85,701 101,283 105,105 113,685 142,835 159,159 168,805 265,265 371,371 428,505 506,415 795,795 1,114,113 1,856,855 and 5,570,565, with no remainder.
Since 5,570,565 cannot be divided by just 1 and 5,570,565, it is not a prime number.