56786864 has 10 divisors (see below), whose sum is σ = 110024580. Its totient is φ = 28393424.

The previous prime is 56786861. The next prime is 56786867. The reversal of 56786864 is 46868765.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (56786861) and next prime (56786867).

It is not an unprimeable number, because it can be changed into a prime (56786861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1774574 + ... + 1774605.

It is an arithmetic number, because the mean of its divisors is an integer number (11002458).

Almost surely, 2^56786864 is an apocalyptic number.

It is an amenable number.

56786864 is a deficient number, since it is larger than the sum of its proper divisors (53237716).

56786864 is a wasteful number, since it uses less digits than its factorization.

56786864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3549187 (or 3549181 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 56786864 is about 7535.7059390611. The cubic root of 56786864 is about 384.3698332220.

The spelling of 56786864 in words is "fifty-six million, seven hundred eighty-six thousand, eight hundred sixty-four".