### Properties of the number 47455:

47455 = 5 × 9491 is semiprime and squarefree.47455 has 2 distinct prime factors, 4 divisors, 11 antidivisors and 37960 totatives.

47455 has a semiprime digit sum 25 in base 10.

Reversing the decimal digits of 47455 results in an emirpimes.

47455 = 23728

^{2}- 23727

^{2}= 4748

^{2}- 4743

^{2}is the difference of 2 nonnegative squares in 2 ways.

47455 is the difference of 2 positive pentagonal numbers in 2 ways.

47455 is not the sum of 3 positive squares.

47455

^{2}= 28473

^{2}+ 37964

^{2}is the sum of 2 positive squares in 1 way.

47455

^{2}is the sum of 3 positive squares.

47455 is a divisor of 1553

^{52}- 1.

47455 is an emirpimes in (at least) the following bases: 3, 9, 10, 12, 15, 17, 20, 21, 27, 28, 30, 32, 34, 35, 41, 43, 49, 57, 67, 68, 73, 75, 80, 83, 90, 92, and 94.

47455 is palindromic in (at least) the following bases: 39, and -43.

47455 in base 38 = WWV and consists of only the digits 'V' and 'W'.

47455 in base 39 = V7V and consists of only the digits '7' and 'V'.

47455 in base 42 = Qbb and consists of only the digits 'Q' and 'b'.

### The number 47455 belongs to the following On-Line Encyclopedia of Integer Sequences (OEIS) sequence (among others):

Sequence number and description below are taken from OEIS.A184629: Floor(1/{(5+n^4)^(1/4)}), where {}=fractional part.

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