5505578 has 16 divisors (see below), whose sum is σ = 8981280. Its totient is φ = 2516016.

The previous prime is 5505551. The next prime is 5505593. The reversal of 5505578 is 8755055.

It is a super-2 number, since 2×5505578² = 60622778228168, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

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, 1793 + ... + 3771.

It is an arithmetic number, because the mean of its divisors is an integer number (561330).

Almost surely, 2^5505578 is an apocalyptic number.

5505578 is a deficient number, since it is larger than the sum of its proper divisors (3475702).

5505578 is a wasteful number, since it uses less digits than its factorization.

5505578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101.

The product of its (nonzero) digits is 35000, while the sum is 35.

The square root of 5505578 is about 2346.3968121356. The cubic root of 5505578 is about 176.5770701893.

The spelling of 5505578 in words is "five million, five hundred five thousand, five hundred seventy-eight".