56713211 has 2 divisors, whose sum is σ = 56713212. Its totient is φ = 56713210.

The previous prime is 56713201. The next prime is 56713249. The reversal of 56713211 is 11231765.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56713211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56713201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28356605 + 28356606.

It is an arithmetic number, because the mean of its divisors is an integer number (28356606).

Almost surely, 2^56713211 is an apocalyptic number.

56713211 is a deficient number, since it is larger than the sum of its proper divisors (1).

56713211 is an equidigital number, since it uses as much as digits as its factorization.

56713211 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1260, while the sum is 26.

The square root of 56713211 is about 7530.8174191120. The cubic root of 56713211 is about 384.2035844479.

Adding to 56713211 its reverse (11231765), we get a palindrome (67944976).

The spelling of 56713211 in words is "fifty-six million, seven hundred thirteen thousand, two hundred eleven".