5523561 has 12 divisors (see below), whose sum is σ = 8173620. Its totient is φ = 3592320.

The previous prime is 5523559. The next prime is 5523563. The reversal of 5523561 is 1653255.

It is an interprime number because it is at equal distance from previous prime (5523559) and next prime (5523563).

It can be written as a sum of positive squares in 2 ways, for example, as 90000 + 5433561 = 300^2 + 2331^2 .

It is not a de Polignac number, because 5523561 - 2¹ = 5523559 is a prime.

It is a super-2 number, since 2×5523561² = 61019452241442, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (5523563) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7116 + ... + 7853.

It is an arithmetic number, because the mean of its divisors is an integer number (681135).

Almost surely, 2^5523561 is an apocalyptic number.

It is an amenable number.

5523561 is a deficient number, since it is larger than the sum of its proper divisors (2650059).

5523561 is a wasteful number, since it uses less digits than its factorization.

5523561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15016 (or 15013 counting only the distinct ones).

The product of its digits is 4500, while the sum is 27.

The square root of 5523561 is about 2350.2257338392. The cubic root of 5523561 is about 176.7691138726.

It can be divided in two parts, 5523 and 561, that added together give a square (6084 = 78²).

The spelling of 5523561 in words is "five million, five hundred twenty-three thousand, five hundred sixty-one".