Alright, let's work through 51542574 times 90162477 step by step
51542574 × 90162477 = 90162477 × (51542574)
+ 90162477 × 4 giving us 360649908
+ 90162477 × 70 that is equal 6311373390
+ 90162477 × 500 producing 45081238500
+ 90162477 × 2000 yielding 180324954000
+ 90162477 × 40000 giving us 3606499080000
+ 90162477 × 500000 producing 45081238500000
+ 90162477 × 1000000 yielding 90162477000000
+ 90162477 × 50000000 which equals 4508123850000000

= 4647206142795798
