56566056065 has 8 divisors (see below), whose sum is σ = 68835313728. Its totient is φ = 44615480560.

The previous prime is 56566056013. The next prime is 56566056073. The reversal of 56566056065 is 56065066565.

It is a happy number.

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

It is not a de Polignac number, because 56566056065 - 2¹⁰ = 56566055041 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 79670147 + ... + 79670856.

It is an arithmetic number, because the mean of its divisors is an integer number (8604414216).

Almost surely, 2^56566056065 is an apocalyptic number.

It is an amenable number.

56566056065 is a deficient number, since it is larger than the sum of its proper divisors (12269257663).

56566056065 is a wasteful number, since it uses less digits than its factorization.

56566056065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159341079.

The product of its (nonzero) digits is 4860000, while the sum is 50.

The spelling of 56566056065 in words is "fifty-six billion, five hundred sixty-six million, fifty-six thousand, sixty-five".