56203424 has 12 divisors (see below), whose sum is σ = 110650554. Its totient is φ = 28101696.

The previous prime is 56203397. The next prime is 56203429. The reversal of 56203424 is 42430265.

It can be written as a sum of positive squares in only one way, i.e., 36240400 + 19963024 = 6020^2 + 4468^2 .

It is a junction number, because it is equal to n+sod(n) for n = 56203393 and 56203402.

It is not an unprimeable number, because it can be changed into a prime (56203429) by changing a digit.

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 as a sum of consecutive naturals, namely, 878147 + ... + 878210.

Almost surely, 2^56203424 is an apocalyptic number.

It is an amenable number.

56203424 is a deficient number, since it is larger than the sum of its proper divisors (54447130).

56203424 is a wasteful number, since it uses less digits than its factorization.

56203424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1756367 (or 1756359 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 26.

The square root of 56203424 is about 7496.8942903045. The cubic root of 56203424 is about 383.0489340227.

Adding to 56203424 its reverse (42430265), we get a palindrome (98633689).

The spelling of 56203424 in words is "fifty-six million, two hundred three thousand, four hundred twenty-four".