56459005585 has 4 divisors (see below), whose sum is σ = 67750806708. Its totient is φ = 45167204464.

The previous prime is 56459005583. The next prime is 56459005601. The reversal of 56459005585 is 58550095465.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 27201245184 + 29257760401 = 164928^2 + 171049^2 .

It is a cyclic number.

It is not a de Polignac number, because 56459005585 - 2¹ = 56459005583 is a prime.

It is a super-2 number, since 2×56459005585² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56459005583) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5645900554 + ... + 5645900563.

It is an arithmetic number, because the mean of its divisors is an integer number (16937701677).

Almost surely, 2^56459005585 is an apocalyptic number.

It is an amenable number.

56459005585 is a deficient number, since it is larger than the sum of its proper divisors (11291801123).

56459005585 is a wasteful number, since it uses less digits than its factorization.

56459005585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11291801122.

The product of its (nonzero) digits is 5400000, while the sum is 52.

The spelling of 56459005585 in words is "fifty-six billion, four hundred fifty-nine million, five thousand, five hundred eighty-five".