with an
aliquot sum of
46; within an
aliquot sequence of seven composite numbers (52,46,
26,
16,
15,
9,
4,
3,
1,0) to the prime in the
3-aliquot tree. This sequence does not extend above 52 because it is,
The approximate number of weeks in a year. 52 weeks is 364 days, while the
tropical year is 365.24 days long. According to
ISO 8601, most years have 52 weeks while some have 53.