Alright, let's work through 53028699 times 35971739 step by step
53028699 × 35971739 = 35971739 × (53028699)
+ 35971739 × 9 yielding 323745651
+ 35971739 × 90 producing 3237456510
+ 35971739 × 600 producing 21583043400
+ 35971739 × 8000 giving us 287773912000
+ 35971739 × 20000 that equals 719434780000
+ 35971739 × 000000 that equals 0
+ 35971739 × 3000000 that results in 107915217000000
+ 35971739 × 50000000 which equals 1798586950000000

= 1907534519937561
