56444225 has 12 divisors (see below), whose sum is σ = 70190076. Its totient is φ = 45026880.

The previous prime is 56444207. The next prime is 56444263. The reversal of 56444225 is 52244465.

It can be written as a sum of positive squares in 6 ways, for example, as 7612081 + 48832144 = 2759^2 + 6988^2 .

It is not a de Polignac number, because 56444225 - 2⁸ = 56443969 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 56444191 and 56444200.

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, 6299 + ... + 12351.

It is an arithmetic number, because the mean of its divisors is an integer number (5849173).

Almost surely, 2^56444225 is an apocalyptic number.

It is an amenable number.

56444225 is a deficient number, since it is larger than the sum of its proper divisors (13745851).

56444225 is a wasteful number, since it uses less digits than its factorization.

56444225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6436 (or 6431 counting only the distinct ones).

The product of its digits is 38400, while the sum is 32.

The square root of 56444225 is about 7512.9371752997. The cubic root of 56444225 is about 383.5952064845.

The spelling of 56444225 in words is "fifty-six million, four hundred forty-four thousand, two hundred twenty-five".