Alright, let's work through 53324988 times 12492336 step by step
53324988 × 12492336 = 12492336 × (53324988)
+ 12492336 × 8 what gives us 99938688
+ 12492336 × 80 which equals 999386880
+ 12492336 × 900 that equals 11243102400
+ 12492336 × 4000 that is equal 49969344000
+ 12492336 × 20000 what gives us 249846720000
+ 12492336 × 300000 giving us 3747700800000
+ 12492336 × 3000000 yielding 37477008000000
+ 12492336 × 50000000 that equals 624616800000000

= 666153667291968
