Wednesday, September 28, 2016

Number of the day: 55960

Properties of the number 55960:

55960 = 23 × 5 × 1399 is the 50279th composite number and is not squarefree.
55960 has 3 distinct prime factors, 16 divisors, 5 antidivisors and 22368 totatives.
55960 has a semiprime digit sum 25 in base 10.
55960 = 139912 - 139892 = 69972 - 69932 = 28032 - 27932 = 14092 - 13892 is the difference of 2 nonnegative squares in 4 ways.
55960 is the sum of 2 positive triangular numbers.
55960 is the difference of 2 positive pentagonal numbers in 2 ways.
55960 = 302 + 762 + 2222 is the sum of 3 positive squares.
559602 = 335762 + 447682 is the sum of 2 positive squares in 1 way.
559602 is the sum of 3 positive squares.
55960 is a divisor of 10096 - 1.
55960 is palindromic in (at least) the following bases: -71, and -75.

The number 55960 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequence (among others):

Sequence number and description below are taken from OEIS.
A157660: 8000n - 40.

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