5503865 has 4 divisors (see below), whose sum is σ = 6604644. Its totient is φ = 4403088.

The previous prime is 5503859. The next prime is 5503867. The reversal of 5503865 is 5683055.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 958441 + 4545424 = 979^2 + 2132^2 .

It is a cyclic number.

It is not a de Polignac number, because 5503865 - 2⁸ = 5503609 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5503867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550382 + ... + 550391.

It is an arithmetic number, because the mean of its divisors is an integer number (1651161).

Almost surely, 2^5503865 is an apocalyptic number.

It is an amenable number.

5503865 is a deficient number, since it is larger than the sum of its proper divisors (1100779).

5503865 is a wasteful number, since it uses less digits than its factorization.

5503865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100778.

The product of its (nonzero) digits is 18000, while the sum is 32.

The square root of 5503865 is about 2346.0317559658. The cubic root of 5503865 is about 176.5587549523.

The spelling of 5503865 in words is "five million, five hundred three thousand, eight hundred sixty-five".