Alright, let's work through 51537808 times 50557173 step by step
51537808 × 50557173 = 50557173 × (51537808)
+ 50557173 × 8 which equals 404457384
+ 50557173 × 00 which equals 0
+ 50557173 × 800 that is equal 40445738400
+ 50557173 × 7000 resulting in 353900211000
+ 50557173 × 30000 that is equal 1516715190000
+ 50557173 × 500000 giving us 25278586500000
+ 50557173 × 1000000 that is equal 50557173000000
+ 50557173 × 50000000 resulting in 2527858650000000

= 2605605875096784
