5500561 has 8 divisors (see below), whose sum is σ = 6061248. Its totient is φ = 4950000.

The previous prime is 5500543. The next prime is 5500567. The reversal of 5500561 is 1650055.

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

It is not a de Polignac number, because 5500561 - 2⁵ = 5500529 is a prime.

It is a Duffinian number.

5500561 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5500567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1365 + ... + 3586.

It is an arithmetic number, because the mean of its divisors is an integer number (757656).

Almost surely, 2^5500561 is an apocalyptic number.

It is an amenable number.

5500561 is a deficient number, since it is larger than the sum of its proper divisors (560687).

5500561 is a wasteful number, since it uses less digits than its factorization.

5500561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5063.

The product of its (nonzero) digits is 750, while the sum is 22.

The square root of 5500561 is about 2345.3274824638. The cubic root of 5500561 is about 176.5234181544.

The spelling of 5500561 in words is "five million, five hundred thousand, five hundred sixty-one".