Alright, let's work through 53499329 times 74752645 step by step
53499329 × 74752645 = 74752645 × (53499329)
+ 74752645 × 9 that results in 672773805
+ 74752645 × 20 that equals 1495052900
+ 74752645 × 300 what gives us 22425793500
+ 74752645 × 9000 that is equal 672773805000
+ 74752645 × 90000 that equals 6727738050000
+ 74752645 × 400000 producing 29901058000000
+ 74752645 × 3000000 resulting in 224257935000000
+ 74752645 × 50000000 what gives us 3737632250000000

= 3999216348475205
