5525509 has 8 divisors (see below), whose sum is σ = 6049152. Its totient is φ = 5005440.

The previous prime is 5525501. The next prime is 5525519. The reversal of 5525509 is 9055255.

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

It is not a de Polignac number, because 5525509 - 2³ = 5525501 is a prime.

It is a Duffinian number.

5525509 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5525501) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3172 + ... + 4594.

It is an arithmetic number, because the mean of its divisors is an integer number (756144).

Almost surely, 2^5525509 is an apocalyptic number.

It is an amenable number.

5525509 is a deficient number, since it is larger than the sum of its proper divisors (523643).

5525509 is a wasteful number, since it uses less digits than its factorization.

5525509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1787.

The product of its (nonzero) digits is 11250, while the sum is 31.

The square root of 5525509 is about 2350.6401255828. The cubic root of 5525509 is about 176.7898918793.

The spelling of 5525509 in words is "five million, five hundred twenty-five thousand, five hundred nine".