5509443 has 8 divisors (see below), whose sum is σ = 7665408. Its totient is φ = 3513224.

The previous prime is 5509433. The next prime is 5509451. The reversal of 5509443 is 3449055.

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 5509443 - 2⁶ = 5509379 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5509443.

It is not an unprimeable number, because it can be changed into a prime (5509423) 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, 39855 + ... + 39992.

It is an arithmetic number, because the mean of its divisors is an integer number (958176).

Almost surely, 2^5509443 is an apocalyptic number.

5509443 is a deficient number, since it is larger than the sum of its proper divisors (2155965).

5509443 is a wasteful number, since it uses less digits than its factorization.

5509443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79873.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 5509443 is about 2347.2202708736. The cubic root of 5509443 is about 176.6183804590.

The spelling of 5509443 in words is "five million, five hundred nine thousand, four hundred forty-three".