56595589 has 2 divisors, whose sum is σ = 56595590. Its totient is φ = 56595588.

The previous prime is 56595577. The next prime is 56595613. The reversal of 56595589 is 98559565.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 35820225 + 20775364 = 5985^2 + 4558^2 .

It is a cyclic number.

It is not a de Polignac number, because 56595589 - 2⁵ = 56595557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56595689) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28297794 + 28297795.

It is an arithmetic number, because the mean of its divisors is an integer number (28297795).

Almost surely, 2^56595589 is an apocalyptic number.

It is an amenable number.

56595589 is a deficient number, since it is larger than the sum of its proper divisors (1).

56595589 is an equidigital number, since it uses as much as digits as its factorization.

56595589 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2430000, while the sum is 52.

The square root of 56595589 is about 7523.0039877698. The cubic root of 56595589 is about 383.9377905770.

The spelling of 56595589 in words is "fifty-six million, five hundred ninety-five thousand, five hundred eighty-nine".