56582136899 has 16 divisors (see below), whose sum is σ = 57799557120. Its totient is φ = 55378028160.

The previous prime is 56582136889. The next prime is 56582136973. The reversal of 56582136899 is 99863128565.

It is a Cunningham number, because it is equal to 237870²-1.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-56582136899 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56582136869) 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 15 ways as a sum of consecutive naturals, for example, 18790304 + ... + 18793314.

It is an arithmetic number, because the mean of its divisors is an integer number (3612472320).

Almost surely, 2^56582136899 is an apocalyptic number.

56582136899 is a deficient number, since it is larger than the sum of its proper divisors (1217420221).

56582136899 is a wasteful number, since it uses less digits than its factorization.

56582136899 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5090.

The product of its digits is 27993600, while the sum is 62.

The spelling of 56582136899 in words is "fifty-six billion, five hundred eighty-two million, one hundred thirty-six thousand, eight hundred ninety-nine".