5505521 has 8 divisors (see below), whose sum is σ = 6445824. Its totient is φ = 4603680.

The previous prime is 5505449. The next prime is 5505527. The reversal of 5505521 is 1255055.

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

It is a cyclic number.

It is not a de Polignac number, because 5505521 - 2¹⁰ = 5504497 is a prime.

It is a super-2 number, since 2×5505521² = 60621522962882, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5505527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9305 + ... + 9878.

It is an arithmetic number, because the mean of its divisors is an integer number (805728).

Almost surely, 2^5505521 is an apocalyptic number.

It is an amenable number.

5505521 is a deficient number, since it is larger than the sum of its proper divisors (940303).

5505521 is a wasteful number, since it uses less digits than its factorization.

5505521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19231.

The product of its (nonzero) digits is 1250, while the sum is 23.

The square root of 5505521 is about 2346.3846658210. The cubic root of 5505521 is about 176.5764608117.

The spelling of 5505521 in words is "five million, five hundred five thousand, five hundred twenty-one".