5516231 has 4 divisors (see below), whose sum is σ = 6304272. Its totient is φ = 4728192.

The previous prime is 5516221. The next prime is 5516237. The reversal of 5516231 is 1326155.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1326155 = 5 ⋅265231.

It is not a de Polignac number, because 5516231 - 2⁶ = 5516167 is a prime.

It is a super-2 number, since 2×5516231² = 60857608890722, 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 = 5516197 and 5516206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5516237) 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, 394010 + ... + 394023.

It is an arithmetic number, because the mean of its divisors is an integer number (1576068).

Almost surely, 2^5516231 is an apocalyptic number.

5516231 is a deficient number, since it is larger than the sum of its proper divisors (788041).

5516231 is an equidigital number, since it uses as much as digits as its factorization.

5516231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 788040.

The product of its digits is 900, while the sum is 23.

The square root of 5516231 is about 2348.6657914654. The cubic root of 5516231 is about 176.6908858850.

The spelling of 5516231 in words is "five million, five hundred sixteen thousand, two hundred thirty-one".