56822197 has 2 divisors, whose sum is σ = 56822198. Its totient is φ = 56822196.

The previous prime is 56822191. The next prime is 56822219. The reversal of 56822197 is 79122865.

56822197 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 38452401 + 18369796 = 6201^2 + 4286^2 .

It is a cyclic number.

It is not a de Polignac number, because 56822197 - 2³ = 56822189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56822191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28411098 + 28411099.

It is an arithmetic number, because the mean of its divisors is an integer number (28411099).

Almost surely, 2^56822197 is an apocalyptic number.

It is an amenable number.

56822197 is a deficient number, since it is larger than the sum of its proper divisors (1).

56822197 is an equidigital number, since it uses as much as digits as its factorization.

56822197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 40.

The square root of 56822197 is about 7538.0499467701. The cubic root of 56822197 is about 384.4495354784.

The spelling of 56822197 in words is "fifty-six million, eight hundred twenty-two thousand, one hundred ninety-seven".