56624233 has 2 divisors, whose sum is σ = 56624234. Its totient is φ = 56624232.

The previous prime is 56624213. The next prime is 56624251. The reversal of 56624233 is 33242665.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45522009 + 11102224 = 6747^2 + 3332^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56624233 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56624195 and 56624204.

It is not a weakly prime, because it can be changed into another prime (56624213) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28312116 + 28312117.

It is an arithmetic number, because the mean of its divisors is an integer number (28312117).

Almost surely, 2^56624233 is an apocalyptic number.

It is an amenable number.

56624233 is a deficient number, since it is larger than the sum of its proper divisors (1).

56624233 is an equidigital number, since it uses as much as digits as its factorization.

56624233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 25920, while the sum is 31.

The square root of 56624233 is about 7524.9075077372. The cubic root of 56624233 is about 384.0025521568.

Adding to 56624233 its reverse (33242665), we get a palindrome (89866898).

The spelling of 56624233 in words is "fifty-six million, six hundred twenty-four thousand, two hundred thirty-three".