Alright, let's work through 53539144 times 71612812 step by step
53539144 × 71612812 = 71612812 × (53539144)
+ 71612812 × 4 yielding 286451248
+ 71612812 × 40 giving us 2864512480
+ 71612812 × 100 that is equal 7161281200
+ 71612812 × 9000 giving us 644515308000
+ 71612812 × 30000 yielding 2148384360000
+ 71612812 × 500000 what gives us 35806406000000
+ 71612812 × 3000000 what gives us 214838436000000
+ 71612812 × 50000000 what gives us 3580640600000000

= 3834088653912928
