What are the mean and standard deviation of his total weekly salaries? The mean of his total weekly salaries is $\$$ (Round to the nearest integer as needed.)

Step 1 ：Given the weekly salaries as [500, 600, 550, 700, 650, 600, 550].

Step 2 ：We calculate the mean by summing all the weekly salaries and dividing by the number of weeks.

Step 3 ：The mean of his total weekly salaries is calculated as \(\frac{500 + 600 + 550 + 700 + 650 + 600 + 550}{7} = 592.8571428571429\).

Step 4 ：We round the mean to the nearest integer to get \(\boxed{593}\).

Step 5 ：We calculate the standard deviation by taking the square root of the average of the squared differences from the Mean.

Step 6 ：The standard deviation of his total weekly salaries is calculated as \(\sqrt{\frac{(500-593)^2 + (600-593)^2 + (550-593)^2 + (700-593)^2 + (650-593)^2 + (600-593)^2 + (550-593)^2}{7}} = 62.26998490772392\).

Step 7 ：We round the standard deviation to the nearest integer to get \(\boxed{62}\).

Step 8 ：Final Answer: The mean of his total weekly salaries is \(\boxed{593}\) and the standard deviation is \(\boxed{62}\).