5503281 has 16 divisors (see below), whose sum is σ = 8506368. Its totient is φ = 3099600.

The previous prime is 5503273. The next prime is 5503297. The reversal of 5503281 is 1823055.

It is not a de Polignac number, because 5503281 - 2³ = 5503273 is a prime.

It is a super-2 number, since 2×5503281² = 60572203529922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5503241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355 + ... + 3336.

It is an arithmetic number, because the mean of its divisors is an integer number (531648).

Almost surely, 2^5503281 is an apocalyptic number.

It is an amenable number.

5503281 is a deficient number, since it is larger than the sum of its proper divisors (3003087).

5503281 is a wasteful number, since it uses less digits than its factorization.

5503281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3772.

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 5503281 is about 2345.9072871706. The cubic root of 5503281 is about 176.5525100099.

The spelling of 5503281 in words is "five million, five hundred three thousand, two hundred eighty-one".