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