56245223 has 4 divisors (see below), whose sum is σ = 56269008. Its totient is φ = 56221440.

The previous prime is 56245219. The next prime is 56245249. The reversal of 56245223 is 32254265.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 56245223 - 2² = 56245219 is a prime.

It is a super-2 number, since 2×56245223² = 6327050220639458, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56245723) 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 3 ways as a sum of consecutive naturals, for example, 7898 + ... + 13223.

It is an arithmetic number, because the mean of its divisors is an integer number (14067252).

Almost surely, 2^56245223 is an apocalyptic number.

56245223 is a deficient number, since it is larger than the sum of its proper divisors (23785).

56245223 is a wasteful number, since it uses less digits than its factorization.

56245223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23784.

The product of its digits is 14400, while the sum is 29.

The square root of 56245223 is about 7499.6815265716. The cubic root of 56245223 is about 383.1438694893.

Adding to 56245223 its reverse (32254265), we get a palindrome (88499488).

The spelling of 56245223 in words is "fifty-six million, two hundred forty-five thousand, two hundred twenty-three".