56289586309 has 8 divisors (see below), whose sum is σ = 61408657728. Its totient is φ = 51170820960.

The previous prime is 56289586289. The next prime is 56289586319. The reversal of 56289586309 is 90368598265.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 56289586309 - 2¹³ = 56289578117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56289586319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 491209 + ... + 594865.

It is an arithmetic number, because the mean of its divisors is an integer number (7676082216).

Almost surely, 2^56289586309 is an apocalyptic number.

It is an amenable number.

56289586309 is a deficient number, since it is larger than the sum of its proper divisors (5119071419).

56289586309 is a wasteful number, since it uses less digits than its factorization.

56289586309 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 153035.

The product of its (nonzero) digits is 27993600, while the sum is 61.

The spelling of 56289586309 in words is "fifty-six billion, two hundred eighty-nine million, five hundred eighty-six thousand, three hundred nine".