56606823505 has 16 divisors (see below), whose sum is σ = 68362164864. Its totient is φ = 44996358400.

The previous prime is 56606823503. The next prime is 56606823509. The reversal of 56606823505 is 50532860665.

It is not a de Polignac number, because 56606823505 - 2¹ = 56606823503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56606823503) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2326734 + ... + 2350936.

It is an arithmetic number, because the mean of its divisors is an integer number (4272635304).

Almost surely, 2^56606823505 is an apocalyptic number.

It is an amenable number.

56606823505 is a deficient number, since it is larger than the sum of its proper divisors (11755341359).

56606823505 is a wasteful number, since it uses less digits than its factorization.

56606823505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27176.

The product of its (nonzero) digits is 1296000, while the sum is 46.

The spelling of 56606823505 in words is "fifty-six billion, six hundred six million, eight hundred twenty-three thousand, five hundred five".