5561856 has 120 divisors (see below), whose sum is σ = 17235504. Its totient is φ = 1720320.

The previous prime is 5561849. The next prime is 5561861. The reversal of 5561856 is 6581655.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5561856.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78301 + ... + 78371.

Almost surely, 2^5561856 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 5561856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8617752).

5561856 is an abundant number, since it is smaller than the sum of its proper divisors (11673648).

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

5561856 is a wasteful number, since it uses less digits than its factorization.

5561856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 93 counting only the distinct ones).

The product of its digits is 36000, while the sum is 36.

The square root of 5561856 is about 2358.3587513353. The cubic root of 5561856 is about 177.1766884494.

The spelling of 5561856 in words is "five million, five hundred sixty-one thousand, eight hundred fifty-six".