56308529 has 2 divisors, whose sum is σ = 56308530. Its totient is φ = 56308528.

The previous prime is 56308523. The next prime is 56308537. The reversal of 56308529 is 92580365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42876304 + 13432225 = 6548^2 + 3665^2 .

It is a cyclic number.

It is not a de Polignac number, because 56308529 - 2²⁴ = 39531313 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 56308492 and 56308501.

It is not a weakly prime, because it can be changed into another prime (56308523) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28154264 + 28154265.

It is an arithmetic number, because the mean of its divisors is an integer number (28154265).

Almost surely, 2^56308529 is an apocalyptic number.

It is an amenable number.

56308529 is a deficient number, since it is larger than the sum of its proper divisors (1).

56308529 is an equidigital number, since it uses as much as digits as its factorization.

56308529 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64800, while the sum is 38.

The square root of 56308529 is about 7503.9009188555. The cubic root of 56308529 is about 383.2875629452.

The spelling of 56308529 in words is "fifty-six million, three hundred eight thousand, five hundred twenty-nine".