56424233 has 2 divisors, whose sum is σ = 56424234. Its totient is φ = 56424232.

The previous prime is 56424229. The next prime is 56424287. The reversal of 56424233 is 33242465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 32296489 + 24127744 = 5683^2 + 4912^2 .

It is a cyclic number.

It is not a de Polignac number, because 56424233 - 2² = 56424229 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 56424196 and 56424205.

It is not a weakly prime, because it can be changed into another prime (56424293) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28212116 + 28212117.

It is an arithmetic number, because the mean of its divisors is an integer number (28212117).

Almost surely, 2^56424233 is an apocalyptic number.

It is an amenable number.

56424233 is a deficient number, since it is larger than the sum of its proper divisors (1).

56424233 is an equidigital number, since it uses as much as digits as its factorization.

56424233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 17280, while the sum is 29.

The square root of 56424233 is about 7511.6065525292. The cubic root of 56424233 is about 383.5499125626.

Adding to 56424233 its reverse (33242465), we get a palindrome (89666698).

The spelling of 56424233 in words is "fifty-six million, four hundred twenty-four thousand, two hundred thirty-three".