56807866 has 8 divisors (see below), whose sum is σ = 87024960. Its totient is φ = 27799548.

The previous prime is 56807843. The next prime is 56807867. The reversal of 56807866 is 66870865.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (56807867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 302076 + ... + 302263.

It is an arithmetic number, because the mean of its divisors is an integer number (10878120).

Almost surely, 2^56807866 is an apocalyptic number.

56807866 is a deficient number, since it is larger than the sum of its proper divisors (30217094).

56807866 is a wasteful number, since it uses less digits than its factorization.

56807866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604388.

The product of its (nonzero) digits is 483840, while the sum is 46.

The square root of 56807866 is about 7537.0993094161. The cubic root of 56807866 is about 384.4172123733.

The spelling of 56807866 in words is "fifty-six million, eight hundred seven thousand, eight hundred sixty-six".