56430197 has 2 divisors, whose sum is σ = 56430198. Its totient is φ = 56430196.

The previous prime is 56430173. The next prime is 56430211. The reversal of 56430197 is 79103465.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45711121 + 10719076 = 6761^2 + 3274^2 .

It is a cyclic number.

It is not a de Polignac number, because 56430197 - 2¹⁰ = 56429173 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56430397) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28215098 + 28215099.

It is an arithmetic number, because the mean of its divisors is an integer number (28215099).

Almost surely, 2^56430197 is an apocalyptic number.

It is an amenable number.

56430197 is a deficient number, since it is larger than the sum of its proper divisors (1).

56430197 is an equidigital number, since it uses as much as digits as its factorization.

56430197 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22680, while the sum is 35.

The square root of 56430197 is about 7512.0035276882. The cubic root of 56430197 is about 383.5634257346.

The spelling of 56430197 in words is "fifty-six million, four hundred thirty thousand, one hundred ninety-seven".