Alright, let's work through 53294843 times 21757403 step by step
53294843 × 21757403 = 21757403 × (53294843)
+ 21757403 × 3 which equals 65272209
+ 21757403 × 40 what gives us 870296120
+ 21757403 × 800 producing 17405922400
+ 21757403 × 4000 giving us 87029612000
+ 21757403 × 90000 yielding 1958166270000
+ 21757403 × 200000 resulting in 4351480600000
+ 21757403 × 3000000 which equals 65272209000000
+ 21757403 × 50000000 that results in 1087870150000000

= 1159557376972729
