952.75 yuan. According to the information of Cai Hui Bar, the interest rate of 50,000 yuan postal bank loan is 4.75%, and the monthly repayment is 952.75 yuan. The five-year loan is a medium-term loan, and the interest rate of the three-to five-year loan of the Postal Savings Bank is 4.75%. According to the bank's interest-bearing formula, interest is equal to the principal multiplied by the interest rate multiplied by the term.