Alright, let's work through 55053691 times 88518683 step by step
55053691 × 88518683 = 88518683 × (55053691)
+ 88518683 × 1 what gives us 88518683
+ 88518683 × 90 producing 7966681470
+ 88518683 × 600 producing 53111209800
+ 88518683 × 3000 what gives us 265556049000
+ 88518683 × 50000 producing 4425934150000
+ 88518683 × 000000 what gives us 0
+ 88518683 × 5000000 yielding 442593415000000
+ 88518683 × 50000000 which equals 4425934150000000

= 4873280221608953
