56006005605 has 16 divisors (see below), whose sum is σ = 97755937344. Its totient is φ = 27154426880.

The previous prime is 56006005603. The next prime is 56006005639. The reversal of 56006005605 is 50650060065.

It is not a de Polignac number, because 56006005605 - 2¹ = 56006005603 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56006005603) 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 15 ways as a sum of consecutive naturals, for example, 169715004 + ... + 169715333.

It is an arithmetic number, because the mean of its divisors is an integer number (6109746084).

Almost surely, 2^56006005605 is an apocalyptic number.

56006005605 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

56006005605 is a deficient number, since it is larger than the sum of its proper divisors (41749931739).

56006005605 is a wasteful number, since it uses less digits than its factorization.

56006005605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 339430356.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 56006005605 in words is "fifty-six billion, six million, five thousand, six hundred five".