5616881 has 4 divisors (see below), whose sum is σ = 5696064. Its totient is φ = 5537700.

The previous prime is 5616869. The next prime is 5616883. The reversal of 5616881 is 1886165.

5616881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5616881 - 2¹⁸ = 5354737 is a prime.

It is a super-2 number, since 2×5616881² = 63098704336322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5616883) 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, 39485 + ... + 39626.

It is an arithmetic number, because the mean of its divisors is an integer number (1424016).

Almost surely, 2^5616881 is an apocalyptic number.

It is an amenable number.

5616881 is a deficient number, since it is larger than the sum of its proper divisors (79183).

5616881 is an equidigital number, since it uses as much as digits as its factorization.

5616881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79182.

The product of its digits is 11520, while the sum is 35.

The square root of 5616881 is about 2369.9959915578. The cubic root of 5616881 is about 177.7590583444.

The spelling of 5616881 in words is "five million, six hundred sixteen thousand, eight hundred eighty-one".