56605328771 has 8 divisors (see below), whose sum is σ = 57327129600. Its totient is φ = 55883660040.

The previous prime is 56605328761. The next prime is 56605328783. The reversal of 56605328771 is 17782350665.

56605328771 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 56605328771 - 2⁶ = 56605328707 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (56605328711) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1057040 + ... + 1109298.

It is an arithmetic number, because the mean of its divisors is an integer number (7165891200).

Almost surely, 2^56605328771 is an apocalyptic number.

56605328771 is a deficient number, since it is larger than the sum of its proper divisors (721800829).

56605328771 is a wasteful number, since it uses less digits than its factorization.

56605328771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66049.

The product of its (nonzero) digits is 2116800, while the sum is 50.

The spelling of 56605328771 in words is "fifty-six billion, six hundred five million, three hundred twenty-eight thousand, seven hundred seventy-one".