5509471 has 4 divisors (see below), whose sum is σ = 6010344. Its totient is φ = 5008600.

The previous prime is 5509453. The next prime is 5509549. The reversal of 5509471 is 1749055.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5509471 is a prime.

It is a super-3 number, since 3×5509471³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5509451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 250420 + ... + 250441.

It is an arithmetic number, because the mean of its divisors is an integer number (1502586).

Almost surely, 2^5509471 is an apocalyptic number.

5509471 is a deficient number, since it is larger than the sum of its proper divisors (500873).

5509471 is a wasteful number, since it uses less digits than its factorization.

5509471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 500872.

The product of its (nonzero) digits is 6300, while the sum is 31.

The square root of 5509471 is about 2347.2262353680. The cubic root of 5509471 is about 176.6186796608.

The spelling of 5509471 in words is "five million, five hundred nine thousand, four hundred seventy-one".