50,000 credit cards are divided into 36 installments at a time, and each installment needs a basic fee of 1.389 yuan. Plus the installment procedures of different credit cards, the repayment of each installment is about 1600 yuan.

1, 50,000 ICBC credit cards can be swiped in 24 installments at most, with interest of 7.2% and handling fee of 3,600 yuan, so a total of 53,600 yuan needs to be repaid, and each installment needs to be repaid 1539 yuan.

2. China Merchants Bank Credit Card, 50,000 points, 36 installments, interest rate of 5%, handling fee of 2,500 yuan. A total of 52,500 yuan is required to be repaid, and each installment needs to be repaid 1597 yuan.

3. China Construction Bank will charge 50,000 credit cards in 36 installments, with interest of 6% and handling fee of 3,000 yuan, with a total repayment of 53,000 yuan, with repayment of 1.639 yuan per installment.

4. China Bank's credit card, with 50,000 points, is used for 36 installments, with interest of 6.25% and handling fee of 3 125 yuan, so a total of 53 125 yuan needs to be repaid, and each installment needs to be repaid 1649 yuan.