5506809 has 32 divisors (see below), whose sum is σ = 9461760. Its totient is φ = 2764800.

The previous prime is 5506807. The next prime is 5506811. The reversal of 5506809 is 9086055.

It is an interprime number because it is at equal distance from previous prime (5506807) and next prime (5506811).

It is not a de Polignac number, because 5506809 - 2¹ = 5506807 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a self number, because there is not a number n which added to its sum of digits gives 5506809.

It is not an unprimeable number, because it can be changed into a prime (5506807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6777 + ... + 7545.

It is an arithmetic number, because the mean of its divisors is an integer number (295680).

Almost surely, 2^5506809 is an apocalyptic number.

It is an amenable number.

5506809 is a deficient number, since it is larger than the sum of its proper divisors (3954951).

5506809 is a wasteful number, since it uses less digits than its factorization.

5506809 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821.

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 5506809 is about 2346.6591145712. The cubic root of 5506809 is about 176.5902295811.

The spelling of 5506809 in words is "five million, five hundred six thousand, eight hundred nine".