5561736 has 64 divisors (see below), whose sum is σ = 14731200. Its totient is φ = 1747200.

The previous prime is 5561719. The next prime is 5561779. The reversal of 5561736 is 6371655.

It is a junction number, because it is equal to n+sod(n) for n = 5561697 and 5561706.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42391 + ... + 42521.

It is an arithmetic number, because the mean of its divisors is an integer number (230175).

Almost surely, 2^5561736 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 5561736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7365600).

5561736 is an abundant number, since it is smaller than the sum of its proper divisors (9169464).

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

5561736 is a wasteful number, since it uses less digits than its factorization.

5561736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 230 (or 226 counting only the distinct ones).

The product of its digits is 18900, while the sum is 33.

The square root of 5561736 is about 2358.3333097762. Note that the first 4 decimals coincide. The cubic root of 5561736 is about 177.1754142132.

The spelling of 5561736 in words is "five million, five hundred sixty-one thousand, seven hundred thirty-six".