5531611 has 4 divisors (see below), whose sum is σ = 5681152. Its totient is φ = 5382072.

The previous prime is 5531599. The next prime is 5531621. The reversal of 5531611 is 1161355.

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 5531611 - 2⁷ = 5531483 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5531621) 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, 74715 + ... + 74788.

It is an arithmetic number, because the mean of its divisors is an integer number (1420288).

Almost surely, 2^5531611 is an apocalyptic number.

5531611 is a deficient number, since it is larger than the sum of its proper divisors (149541).

5531611 is a wasteful number, since it uses less digits than its factorization.

5531611 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149540.

The product of its digits is 450, while the sum is 22.

The square root of 5531611 is about 2351.9377117602. The cubic root of 5531611 is about 176.8549462212.

Adding to 5531611 its reverse (1161355), we get a palindrome (6692966).

The spelling of 5531611 in words is "five million, five hundred thirty-one thousand, six hundred eleven".