5509220 has 12 divisors (see below), whose sum is σ = 11569404. Its totient is φ = 2203680.

The previous prime is 5509219. The next prime is 5509249. The reversal of 5509220 is 229055.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 2262016 + 3247204 = 1504^2 + 1802^2 .

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 3 ways as a sum of consecutive naturals, for example, 137711 + ... + 137750.

It is an arithmetic number, because the mean of its divisors is an integer number (964117).

Almost surely, 2^5509220 is an apocalyptic number.

It is an amenable number.

5509220 is an abundant number, since it is smaller than the sum of its proper divisors (6060184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5509220 is a wasteful number, since it uses less digits than its factorization.

5509220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275470 (or 275468 counting only the distinct ones).

The product of its (nonzero) digits is 900, while the sum is 23.

The square root of 5509220 is about 2347.1727673949. The cubic root of 5509220 is about 176.6159974940.

The spelling of 5509220 in words is "five million, five hundred nine thousand, two hundred twenty".