56430659 has 2 divisors, whose sum is σ = 56430660. Its totient is φ = 56430658.

The previous prime is 56430643. The next prime is 56430709. The reversal of 56430659 is 95603465.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56430659 - 2⁴ = 56430643 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (56430359) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28215329 + 28215330.

It is an arithmetic number, because the mean of its divisors is an integer number (28215330).

Almost surely, 2^56430659 is an apocalyptic number.

56430659 is a deficient number, since it is larger than the sum of its proper divisors (1).

56430659 is an equidigital number, since it uses as much as digits as its factorization.

56430659 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 97200, while the sum is 38.

The square root of 56430659 is about 7512.0342784095. The cubic root of 56430659 is about 383.5644724899.

The spelling of 56430659 in words is "fifty-six million, four hundred thirty thousand, six hundred fifty-nine".