5516881 has 4 divisors (see below), whose sum is σ = 5523264. Its totient is φ = 5510500.

The previous prime is 5516879. The next prime is 5516893. The reversal of 5516881 is 1886155.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1886155 = 5 ⋅377231.

It is a cyclic number.

It is not a de Polignac number, because 5516881 - 2¹ = 5516879 is a prime.

It is a super-2 number, since 2×5516881² = 60871951936322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5516801) 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, 1645 + ... + 3706.

It is an arithmetic number, because the mean of its divisors is an integer number (1380816).

Almost surely, 2^5516881 is an apocalyptic number.

It is an amenable number.

5516881 is a deficient number, since it is larger than the sum of its proper divisors (6383).

5516881 is a wasteful number, since it uses less digits than its factorization.

5516881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6382.

The product of its digits is 9600, while the sum is 34.

The square root of 5516881 is about 2348.8041638246. The cubic root of 5516881 is about 176.6978256817.

The spelling of 5516881 in words is "five million, five hundred sixteen thousand, eight hundred eighty-one".