56765089 has 2 divisors, whose sum is σ = 56765090. Its totient is φ = 56765088.

The previous prime is 56765083. The next prime is 56765099. The reversal of 56765089 is 98056765.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35605089 + 21160000 = 5967^2 + 4600^2 .

It is a cyclic number.

It is not a de Polignac number, because 56765089 - 2⁹ = 56764577 is a prime.

It is not a weakly prime, because it can be changed into another prime (56765083) 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, 28382544 + 28382545.

It is an arithmetic number, because the mean of its divisors is an integer number (28382545).

Almost surely, 2^56765089 is an apocalyptic number.

It is an amenable number.

56765089 is a deficient number, since it is larger than the sum of its proper divisors (1).

56765089 is an equidigital number, since it uses as much as digits as its factorization.

56765089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 453600, while the sum is 46.

The square root of 56765089 is about 7534.2610122029. The cubic root of 56765089 is about 384.3206978966.

It can be divided in two parts, 567 and 65089, that added together give a palindrome (65656).

The spelling of 56765089 in words is "fifty-six million, seven hundred sixty-five thousand, eighty-nine".