56776805 has 8 divisors (see below), whose sum is σ = 69149472. Its totient is φ = 44743248.

The previous prime is 56776801. The next prime is 56776817. The reversal of 56776805 is 50867765.

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 56776805 - 2² = 56776801 is a prime.

It is a Duffinian number.

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 7 ways as a sum of consecutive naturals, for example, 84407 + ... + 85076.

It is an arithmetic number, because the mean of its divisors is an integer number (8643684).

Almost surely, 2^56776805 is an apocalyptic number.

It is an amenable number.

56776805 is a deficient number, since it is larger than the sum of its proper divisors (12372667).

56776805 is a wasteful number, since it uses less digits than its factorization.

56776805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169555.

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 56776805 is about 7535.0384869621. The cubic root of 56776805 is about 384.3471366323.

The spelling of 56776805 in words is "fifty-six million, seven hundred seventy-six thousand, eight hundred five".