The command in R to get a summary of statistics is just

summaryStats(variable)

And you get all this information

Minimum value: 11

Maximum value: 93

Mean value: 52.88

Median: 51.5

Upper quartile: 68.5

Lower quartile: 40

Variance: 348.87

Standard deviation: 18.68

Midspread (IQR): 28.5

Skewness: 0.16

Number of data values: 146