56315000909 has 2 divisors, whose sum is σ = 56315000910. Its totient is φ = 56315000908.

The previous prime is 56315000899. The next prime is 56315000933. The reversal of 56315000909 is 90900051365.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50601152809 + 5713848100 = 224947^2 + 75590^2 .

It is a cyclic number.

It is not a de Polignac number, because 56315000909 - 2²⁰ = 56313952333 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is a weakly prime.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28157500454 + 28157500455.

It is an arithmetic number, because the mean of its divisors is an integer number (28157500455).

Almost surely, 2^56315000909 is an apocalyptic number.

It is an amenable number.

56315000909 is a deficient number, since it is larger than the sum of its proper divisors (1).

56315000909 is an equidigital number, since it uses as much as digits as its factorization.

56315000909 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36450, while the sum is 38.

The spelling of 56315000909 in words is "fifty-six billion, three hundred fifteen million, nine hundred nine", and thus it is an aban number.