5509311 has 4 divisors (see below), whose sum is σ = 7345752. Its totient is φ = 3672872.

The previous prime is 5509307. The next prime is 5509313. The reversal of 5509311 is 1139055.

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

It is a cyclic number.

It is not a de Polignac number, because 5509311 - 2² = 5509307 is a prime.

It is a super-3 number, since 3×5509311³ (a number of 21 digits) contains 333 as substring.

It is a D-number.

5509311 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5509313) 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, 918216 + ... + 918221.

It is an arithmetic number, because the mean of its divisors is an integer number (1836438).

Almost surely, 2^5509311 is an apocalyptic number.

5509311 is a deficient number, since it is larger than the sum of its proper divisors (1836441).

5509311 is a wasteful number, since it uses less digits than its factorization.

5509311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1836440.

The product of its (nonzero) digits is 675, while the sum is 24.

The square root of 5509311 is about 2347.1921523386. The cubic root of 5509311 is about 176.6169699225.

The spelling of 5509311 in words is "five million, five hundred nine thousand, three hundred eleven".