4555 has 4 divisors (see below), whose sum is σ = 5472.
Its totient is φ = 3640.
The previous prime is 4549. The next prime is 4561. The reversal of 4555 is 5554.
Subtracting 4555 from its reverse (5554), we obtain a palindrome (999).
It can be divided in two parts, 45 and 55, that added together give a square (100 = 102).
4555 = 252 + 262 + ... + 302.
It is a happy number.
4555 is an esthetic number in base 5, because in such base its adjacent digits differ by 1.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5554 = 2 ⋅2777.
It is an interprime number because it is at equal distance from previous prime (4549) and next prime (4561).
It is not a de Polignac number, because 4555 - 23 = 4547 is a prime.
It is a fibodiv number, since the Fibonacci-like sequence with seeds 45 and 55 contains 4555 itself.
It is a Duffinian number.
4555 is a modest number, since divided by 55 gives 45 as remainder.
It is a plaindrome in base 10 and base 12.
It is a nialpdrome in base 9.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 451 + ... + 460.
It is an arithmetic number, because the mean of its divisors is an integer number (1368).
24555 is an apocalyptic number.
4555 is a deficient number, since it is larger than the sum of its proper divisors (917).
4555 is an equidigital number, since it uses as much as digits as its factorization.
4555 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 916.
The product of its digits is 500, while the sum is 19.
The square root of 4555 is about 67.4907401056.
The cubic root of 4555 is about 16.5766255429.
The spelling of 4555 in words is "four thousand, five hundred fifty-five".