56765459 has 2 divisors, whose sum is σ = 56765460. Its totient is φ = 56765458.

The previous prime is 56765453. The next prime is 56765477. The reversal of 56765459 is 95456765.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56765459 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56765453) 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, 28382729 + 28382730.

It is an arithmetic number, because the mean of its divisors is an integer number (28382730).

Almost surely, 2^56765459 is an apocalyptic number.

56765459 is a deficient number, since it is larger than the sum of its proper divisors (1).

56765459 is an equidigital number, since it uses as much as digits as its factorization.

56765459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 47.

The square root of 56765459 is about 7534.2855666612. The cubic root of 56765459 is about 384.3215329071.

The spelling of 56765459 in words is "fifty-six million, seven hundred sixty-five thousand, four hundred fifty-nine".