56243224 has 8 divisors (see below), whose sum is σ = 105456060. Its totient is φ = 28121608.

The previous prime is 56243149. The next prime is 56243251. The reversal of 56243224 is 42234265.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 56243192 and 56243201.

It is a congruent number.

It is an unprimeable number.

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, 3515194 + ... + 3515209.

Almost surely, 2^56243224 is an apocalyptic number.

It is an amenable number.

56243224 is a deficient number, since it is larger than the sum of its proper divisors (49212836).

56243224 is a wasteful number, since it uses less digits than its factorization.

56243224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7030409 (or 7030405 counting only the distinct ones).

The product of its digits is 11520, while the sum is 28.

The square root of 56243224 is about 7499.5482530616. The cubic root of 56243224 is about 383.1393303561.

Adding to 56243224 its reverse (42234265), we get a palindrome (98477489).

The spelling of 56243224 in words is "fifty-six million, two hundred forty-three thousand, two hundred twenty-four".