5536581 has 16 divisors (see below), whose sum is σ = 7838400. Its totient is φ = 3466368.

The previous prime is 5536579. The next prime is 5536589. The reversal of 5536581 is 1856355.

5536581 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5536581 - 2¹ = 5536579 is a prime.

It is a super-2 number, since 2×5536581² = 61307458339122, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5536589) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7455 + ... + 8163.

It is an arithmetic number, because the mean of its divisors is an integer number (489900).

Almost surely, 2^5536581 is an apocalyptic number.

It is an amenable number.

5536581 is a deficient number, since it is larger than the sum of its proper divisors (2301819).

5536581 is a wasteful number, since it uses less digits than its factorization.

5536581 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868.

The product of its digits is 18000, while the sum is 33.

The square root of 5536581 is about 2352.9940501412. The cubic root of 5536581 is about 176.9078967975.

The spelling of 5536581 in words is "five million, five hundred thirty-six thousand, five hundred eighty-one".