Alright, let's work through 55316757 times 2215829 step by step
55316757 × 2215829 = 2215829 × (55316757)
+ 2215829 × 7 that results in 15510803
+ 2215829 × 50 yielding 110791450
+ 2215829 × 700 that results in 1551080300
+ 2215829 × 6000 that results in 13294974000
+ 2215829 × 10000 yielding 22158290000
+ 2215829 × 300000 that equals 664748700000
+ 2215829 × 5000000 giving us 11079145000000
+ 2215829 × 50000000 what gives us 110791450000000

= 122572474346553
