5501 has 2 divisors, whose sum is σ = 5502.
Its totient is φ = 5500.
The previous prime is 5483. The next prime is 5503. The reversal of 5501 is 1055.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 5476 + 25 = 74^2 + 5^2
It is a cyclic number.
It is not a de Polignac number, because 5501 - 26 = 5437 is a prime.
It is a super-2 number, since 2×55012 = 60522002, which contains 22 as substring.
It is a Sophie Germain prime.
Together with 5503, it forms a pair of twin primes.
It is a Chen prime.
It is a Curzon number.
It is a plaindrome in base 16.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (5503) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750 + 2751.
It is an arithmetic number, because the mean of its divisors is an integer number (2751).
25501 is an apocalyptic number.
It is an amenable number.
5501 is a deficient number, since it is larger than the sum of its proper divisors (1).
5501 is an equidigital number, since it uses as much as digits as its factorization.
5501 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 25, while the sum is 11.
The square root of 5501 is about 74.1687265632.
The cubic root of 5501 is about 17.6528114143.
Subtracting from 5501 its product of nonzero digits (25), we obtain a square (5476 = 742).
Adding to 5501 its reverse (1055), we get a palindrome (6556).
The spelling of 5501 in words is "five thousand, five hundred one".