Alright, let's work through 54993577 times 77943682 step by step
54993577 × 77943682 = 77943682 × (54993577)
+ 77943682 × 7 that results in 545605774
+ 77943682 × 70 resulting in 5456057740
+ 77943682 × 500 resulting in 38971841000
+ 77943682 × 3000 giving us 233831046000
+ 77943682 × 90000 that is equal 7014931380000
+ 77943682 × 900000 that results in 70149313800000
+ 77943682 × 4000000 that results in 311774728000000
+ 77943682 × 50000000 that results in 3897184100000000

= 4286401877730514
