56536289 has 2 divisors, whose sum is σ = 56536290. Its totient is φ = 56536288.

The previous prime is 56536247. The next prime is 56536301. The reversal of 56536289 is 98263565.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50694400 + 5841889 = 7120^2 + 2417^2 .

It is a cyclic number.

It is not a de Polignac number, because 56536289 - 2²⁰ = 55487713 is a prime.

It is not a weakly prime, because it can be changed into another prime (56536189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28268144 + 28268145.

It is an arithmetic number, because the mean of its divisors is an integer number (28268145).

Almost surely, 2^56536289 is an apocalyptic number.

It is an amenable number.

56536289 is a deficient number, since it is larger than the sum of its proper divisors (1).

56536289 is an equidigital number, since it uses as much as digits as its factorization.

56536289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 388800, while the sum is 44.

The square root of 56536289 is about 7519.0617100806. The cubic root of 56536289 is about 383.8036489838.

The spelling of 56536289 in words is "fifty-six million, five hundred thirty-six thousand, two hundred eighty-nine".