56008213 has 2 divisors, whose sum is σ = 56008214. Its totient is φ = 56008212.

The previous prime is 56008201. The next prime is 56008261. The reversal of 56008213 is 31280065.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55980324 + 27889 = 7482^2 + 167^2 .

It is a cyclic number.

It is not a de Polignac number, because 56008213 - 2²¹ = 53911061 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56008283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28004106 + 28004107.

It is an arithmetic number, because the mean of its divisors is an integer number (28004107).

Almost surely, 2^56008213 is an apocalyptic number.

It is an amenable number.

56008213 is a deficient number, since it is larger than the sum of its proper divisors (1).

56008213 is an equidigital number, since it uses as much as digits as its factorization.

56008213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 56008213 is about 7483.8635075741. The cubic root of 56008213 is about 382.6049390971.

Adding to 56008213 its reverse (31280065), we get a palindrome (87288278).

The spelling of 56008213 in words is "fifty-six million, eight thousand, two hundred thirteen".