5561536 has 28 divisors (see below), whose sum is σ = 11209528. Its totient is φ = 2737152.

The previous prime is 5561531. The next prime is 5561537. The reversal of 5561536 is 6351655.

It is a junction number, because it is equal to n+sod(n) for n = 5561498 and 5561507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5561531) 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, 3640 + ... + 4936.

Almost surely, 2^5561536 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5561536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5604764).

5561536 is an abundant number, since it is smaller than the sum of its proper divisors (5647992).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5561536 is a wasteful number, since it uses less digits than its factorization.

5561536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1376 (or 1366 counting only the distinct ones).

The product of its digits is 13500, while the sum is 31.

The square root of 5561536 is about 2358.2909065677. The cubic root of 5561536 is about 177.1732904454.

The spelling of 5561536 in words is "five million, five hundred sixty-one thousand, five hundred thirty-six".