56555005059 has 20 divisors (see below), whose sum is σ = 96552461104. Its totient is φ = 32317145424.

The previous prime is 56555005037. The next prime is 56555005061. The reversal of 56555005059 is 95050055565.

It is not a de Polignac number, because 56555005059 - 2⁵ = 56555005027 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56555005019) by changing a digit.

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 in 19 ways as a sum of consecutive naturals, for example, 49871572 + ... + 49872705.

Almost surely, 2^56555005059 is an apocalyptic number.

56555005059 is a deficient number, since it is larger than the sum of its proper divisors (39997456045).

56555005059 is an equidigital number, since it uses as much as digits as its factorization.

56555005059 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99744296 (or 99744287 counting only the distinct ones).

The product of its (nonzero) digits is 843750, while the sum is 45.

The spelling of 56555005059 in words is "fifty-six billion, five hundred fifty-five million, five thousand, fifty-nine".