Alright, let's work through 53008629 times 75338049 step by step
53008629 × 75338049 = 75338049 × (53008629)
+ 75338049 × 9 resulting in 678042441
+ 75338049 × 20 resulting in 1506760980
+ 75338049 × 600 giving us 45202829400
+ 75338049 × 8000 yielding 602704392000
+ 75338049 × 00000 resulting in 0
+ 75338049 × 000000 giving us 0
+ 75338049 × 3000000 that equals 226014147000000
+ 75338049 × 50000000 producing 3766902450000000

= 3993566689024821
