Alright, let's work through 55543745 times 43204501 step by step
55543745 × 43204501 = 43204501 × (55543745)
+ 43204501 × 5 producing 216022505
+ 43204501 × 40 that results in 1728180040
+ 43204501 × 700 giving us 30243150700
+ 43204501 × 3000 producing 129613503000
+ 43204501 × 40000 what gives us 1728180040000
+ 43204501 × 500000 what gives us 21602250500000
+ 43204501 × 5000000 producing 216022505000000
+ 43204501 × 50000000 producing 2160225050000000

= 2399739786396245
