56663233 has 4 divisors (see below), whose sum is σ = 61814448. Its totient is φ = 51512020.

The previous prime is 56663231. The next prime is 56663249. The reversal of 56663233 is 33236665.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 56663233 - 2¹ = 56663231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56663231) 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 in 3 ways as a sum of consecutive naturals, for example, 2575591 + ... + 2575612.

It is an arithmetic number, because the mean of its divisors is an integer number (15453612).

Almost surely, 2^56663233 is an apocalyptic number.

It is an amenable number.

56663233 is a deficient number, since it is larger than the sum of its proper divisors (5151215).

56663233 is a wasteful number, since it uses less digits than its factorization.

56663233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5151214.

The product of its digits is 58320, while the sum is 34.

The square root of 56663233 is about 7527.4984556624. The cubic root of 56663233 is about 384.0906926448.

Adding to 56663233 its reverse (33236665), we get a palindrome (89899898).

It can be divided in two parts, 566632 and 33, that added together give a palindrome (566665).

The spelling of 56663233 in words is "fifty-six million, six hundred sixty-three thousand, two hundred thirty-three".