56005550105 has 8 divisors (see below), whose sum is σ = 67209364872. Its totient is φ = 44802636928.

The previous prime is 56005550087. The next prime is 56005550123. The reversal of 56005550105 is 50105550065.

It is an interprime number because it is at equal distance from previous prime (56005550087) and next prime (56005550123).

It can be written as a sum of positive squares in 4 ways, for example, as 5804458969 + 50201091136 = 76187^2 + 224056^2 .

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 56005550105 - 2¹⁰ = 56005549081 is a prime.

It is a super-2 number, since 2×56005550105² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80234 + ... + 344163.

It is an arithmetic number, because the mean of its divisors is an integer number (8401170609).

Almost surely, 2^56005550105 is an apocalyptic number.

It is an amenable number.

56005550105 is a deficient number, since it is larger than the sum of its proper divisors (11203814767).

56005550105 is a wasteful number, since it uses less digits than its factorization.

56005550105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 450795.

The product of its (nonzero) digits is 18750, while the sum is 32.

The spelling of 56005550105 in words is "fifty-six billion, five million, five hundred fifty thousand, one hundred five".