5511331 has 4 divisors (see below), whose sum is σ = 6298672. Its totient is φ = 4723992.

The previous prime is 5511313. The next prime is 5511347. The reversal of 5511331 is 1331155.

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

It is not a de Polignac number, because 5511331 - 2⁵ = 5511299 is a prime.

It is a super-2 number, since 2×5511331² = 60749538783122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5511299 and 5511308.

It is not an unprimeable number, because it can be changed into a prime (5511431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 393660 + ... + 393673.

It is an arithmetic number, because the mean of its divisors is an integer number (1574668).

Almost surely, 2^5511331 is an apocalyptic number.

5511331 is a deficient number, since it is larger than the sum of its proper divisors (787341).

5511331 is an equidigital number, since it uses as much as digits as its factorization.

5511331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 787340.

The product of its digits is 225, while the sum is 19.

The square root of 5511331 is about 2347.6224142736. The cubic root of 5511331 is about 176.6385529410.

Adding to 5511331 its reverse (1331155), we get a palindrome (6842486).

The spelling of 5511331 in words is "five million, five hundred eleven thousand, three hundred thirty-one".