56435689 has 2 divisors, whose sum is σ = 56435690. Its totient is φ = 56435688.

The previous prime is 56435677. The next prime is 56435713. The reversal of 56435689 is 98653465.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 36481600 + 19954089 = 6040^2 + 4467^2 .

It is a cyclic number.

It is not a de Polignac number, because 56435689 - 2⁹ = 56435177 is a prime.

It is not a weakly prime, because it can be changed into another prime (56436689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28217844 + 28217845.

It is an arithmetic number, because the mean of its divisors is an integer number (28217845).

Almost surely, 2^56435689 is an apocalyptic number.

It is an amenable number.

56435689 is a deficient number, since it is larger than the sum of its proper divisors (1).

56435689 is an equidigital number, since it uses as much as digits as its factorization.

56435689 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 777600, while the sum is 46.

The square root of 56435689 is about 7512.3690670786. The cubic root of 56435689 is about 383.5758686116.

The spelling of 56435689 in words is "fifty-six million, four hundred thirty-five thousand, six hundred eighty-nine".