Alright, let's work through 55783976 times 96538921 step by step
55783976 × 96538921 = 96538921 × (55783976)
+ 96538921 × 6 producing 579233526
+ 96538921 × 70 that is equal 6757724470
+ 96538921 × 900 what gives us 86885028900
+ 96538921 × 3000 what gives us 289616763000
+ 96538921 × 80000 that is equal 7723113680000
+ 96538921 × 700000 producing 67577244700000
+ 96538921 × 5000000 yielding 482694605000000
+ 96538921 × 50000000 producing 4826946050000000

= 5385324852129896
