Alright, let's work through 54701944 times 15643098 step by step
54701944 × 15643098 = 15643098 × (54701944)
+ 15643098 × 4 that is equal 62572392
+ 15643098 × 40 producing 625723920
+ 15643098 × 900 what gives us 14078788200
+ 15643098 × 1000 that is equal 15643098000
+ 15643098 × 00000 which equals 0
+ 15643098 × 700000 which equals 10950168600000
+ 15643098 × 4000000 what gives us 62572392000000
+ 15643098 × 50000000 producing 782154900000000

= 855707870782512
