5616811 has 4 divisors (see below), whose sum is σ = 5700712. Its totient is φ = 5532912.

The previous prime is 5616769. The next prime is 5616827. The reversal of 5616811 is 1186165.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1186165 = 5 ⋅237233.

It is a cyclic number.

It is not a de Polignac number, because 5616811 - 2¹⁹ = 5092523 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5616811.

It is not an unprimeable number, because it can be changed into a prime (5616011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41850 + ... + 41983.

It is an arithmetic number, because the mean of its divisors is an integer number (1425178).

Almost surely, 2^5616811 is an apocalyptic number.

5616811 is a deficient number, since it is larger than the sum of its proper divisors (83901).

5616811 is an equidigital number, since it uses as much as digits as its factorization.

5616811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83900.

The product of its digits is 1440, while the sum is 28.

The square root of 5616811 is about 2369.9812235543. The cubic root of 5616811 is about 177.7583199045.

The spelling of 5616811 in words is "five million, six hundred sixteen thousand, eight hundred eleven".