56590577 has 2 divisors, whose sum is σ = 56590578. Its totient is φ = 56590576.

The previous prime is 56590519. The next prime is 56590601. The reversal of 56590577 is 77509565.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40462321 + 16128256 = 6361^2 + 4016^2 .

It is a cyclic number.

It is not a de Polignac number, because 56590577 - 2¹⁶ = 56525041 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56590507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28295288 + 28295289.

It is an arithmetic number, because the mean of its divisors is an integer number (28295289).

Almost surely, 2^56590577 is an apocalyptic number.

It is an amenable number.

56590577 is a deficient number, since it is larger than the sum of its proper divisors (1).

56590577 is an equidigital number, since it uses as much as digits as its factorization.

56590577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 330750, while the sum is 44.

The square root of 56590577 is about 7522.6708687806. The cubic root of 56590577 is about 383.9264566371.

The spelling of 56590577 in words is "fifty-six million, five hundred ninety thousand, five hundred seventy-seven".