5509555 has 8 divisors (see below), whose sum is σ = 6624144. Its totient is φ = 4399200.

The previous prime is 5509549. The next prime is 5509561. The reversal of 5509555 is 5559055.

It is an interprime number because it is at equal distance from previous prime (5509549) and next prime (5509561).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5509555 - 2¹⁵ = 5476787 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5509555.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4120 + ... + 5290.

It is an arithmetic number, because the mean of its divisors is an integer number (828018).

Almost surely, 2^5509555 is an apocalyptic number.

5509555 is a deficient number, since it is larger than the sum of its proper divisors (1114589).

5509555 is a wasteful number, since it uses less digits than its factorization.

5509555 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2117.

The product of its (nonzero) digits is 28125, while the sum is 34.

The square root of 5509555 is about 2347.2441287604. The cubic root of 5509555 is about 176.6195772603.

The spelling of 5509555 in words is "five million, five hundred nine thousand, five hundred fifty-five".