5564881 has 9 divisors (see below), whose sum is σ = 6492699. Its totient is φ = 4755744.

The previous prime is 5564879. The next prime is 5564887. The reversal of 5564881 is 1884655.

The square root of 5564881 is 2359.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1500625 + 4064256 = 1225^2 + 2016^2 .

It is not a de Polignac number, because 5564881 - 2¹ = 5564879 is a prime.

It is a super-2 number, since 2×5564881² = 61935801088322, which contains 22 as substring.

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 5564881.

It is not an unprimeable number, because it can be changed into a prime (5564887) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 16345 + ... + 16681.

It is an arithmetic number, because the mean of its divisors is an integer number (721411).

Almost surely, 2^5564881 is an apocalyptic number.

5564881 is the 2359-th square number.

5564881 is the 1180-th centered octagonal number.

It is an amenable number.

5564881 is a deficient number, since it is larger than the sum of its proper divisors (927818).

5564881 is an frugal number, since it uses more digits than its factorization.

5564881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 344 counting only the distinct ones).

The product of its digits is 38400, while the sum is 37.

The cubic root of 5564881 is about 177.2088037688.

The spelling of 5564881 in words is "five million, five hundred sixty-four thousand, eight hundred eighty-one".