56116224 has 66 divisors (see below), whose sum is σ = 162060990. Its totient is φ = 18702336.

The previous prime is 56116219. The next prime is 56116259. The reversal of 56116224 is 42261165.

It can be written as a sum of positive squares in only one way, i.e., 41370624 + 14745600 = 6432^2 + 3840^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6172 + ... + 12260.

Almost surely, 2^56116224 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 56116224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81030495).

56116224 is an abundant number, since it is smaller than the sum of its proper divisors (105944766).

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

56116224 is a wasteful number, since it uses less digits than its factorization.

56116224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6115 (or 6094 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 56116224 is about 7491.0762911614. The cubic root of 56116224 is about 382.8507304615.

Adding to 56116224 its reverse (42261165), we get a palindrome (98377389).

The spelling of 56116224 in words is "fifty-six million, one hundred sixteen thousand, two hundred twenty-four".