56223603 has 24 divisors (see below), whose sum is σ = 85971600. Its totient is φ = 35308224.

The previous prime is 56223581. The next prime is 56223611. The reversal of 56223603 is 30632265.

56223603 is a `hidden beast` number, since 5 + 622 + 36 + 0 + 3 = 666.

It is not a de Polignac number, because 56223603 - 2⁵ = 56223571 is a prime.

It is a super-2 number, since 2×56223603² = 6322187068603218, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (56223623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 32853 + ... + 34521.

It is an arithmetic number, because the mean of its divisors is an integer number (3582150).

Almost surely, 2^56223603 is an apocalyptic number.

56223603 is a deficient number, since it is larger than the sum of its proper divisors (29747997).

56223603 is a wasteful number, since it uses less digits than its factorization.

56223603 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1891 (or 1888 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 56223603 is about 7498.2399934918. The cubic root of 56223603 is about 383.0947712037.

Adding to 56223603 its reverse (30632265), we get a palindrome (86855868).

The spelling of 56223603 in words is "fifty-six million, two hundred twenty-three thousand, six hundred three".