5506561 has 8 divisors (see below), whose sum is σ = 5984000. Its totient is φ = 5047920.

The previous prime is 5506559. The next prime is 5506573. The reversal of 5506561 is 1656055.

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

It is not a de Polignac number, because 5506561 - 2¹ = 5506559 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5506511) 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, 4086 + ... + 5263.

It is an arithmetic number, because the mean of its divisors is an integer number (748000).

Almost surely, 2^5506561 is an apocalyptic number.

It is an amenable number.

5506561 is a deficient number, since it is larger than the sum of its proper divisors (477439).

5506561 is a wasteful number, since it uses less digits than its factorization.

5506561 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9399.

The product of its (nonzero) digits is 4500, while the sum is 28.

The square root of 5506561 is about 2346.6062728971. The cubic root of 5506561 is about 176.5875786185.

The spelling of 5506561 in words is "five million, five hundred six thousand, five hundred sixty-one".