56655207845 has 8 divisors (see below), whose sum is σ = 71985440664. Its totient is φ = 42658038784.

The previous prime is 56655207827. The next prime is 56655207859. The reversal of 56655207845 is 54870255665.

It can be written as a sum of positive squares in 4 ways, for example, as 15876252001 + 40778955844 = 126001^2 + 201938^2 .

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 56655207845 - 2¹⁰ = 56655206821 is a prime.

It is a Duffinian number.

It is a congruent 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, 333265844 + ... + 333266013.

It is an arithmetic number, because the mean of its divisors is an integer number (8998180083).

Almost surely, 2^56655207845 is an apocalyptic number.

It is an amenable number.

56655207845 is a deficient number, since it is larger than the sum of its proper divisors (15330232819).

56655207845 is a wasteful number, since it uses less digits than its factorization.

56655207845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666531879.

The product of its (nonzero) digits is 10080000, while the sum is 53.

The spelling of 56655207845 in words is "fifty-six billion, six hundred fifty-five million, two hundred seven thousand, eight hundred forty-five".