56776806 has 12 divisors (see below), whose sum is σ = 123016452. Its totient is φ = 18925596.

The previous prime is 56776801. The next prime is 56776817. The reversal of 56776806 is 60867765.

56776806 is a `hidden beast` number, since 567 + 7 + 6 + 80 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56776801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1577116 + ... + 1577151.

It is an arithmetic number, because the mean of its divisors is an integer number (10251371).

Almost surely, 2^56776806 is an apocalyptic number.

56776806 is an abundant number, since it is smaller than the sum of its proper divisors (66239646).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

56776806 is a wasteful number, since it uses less digits than its factorization.

56776806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3154275 (or 3154272 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 56776806 is about 7535.0385533188. The cubic root of 56776806 is about 384.3471388887.

The spelling of 56776806 in words is "fifty-six million, seven hundred seventy-six thousand, eight hundred six".