56785307 has 2 divisors, whose sum is σ = 56785308. Its totient is φ = 56785306.

The previous prime is 56785301. The next prime is 56785349. The reversal of 56785307 is 70358765.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56785307 - 2¹² = 56781211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56785301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28392653 + 28392654.

It is an arithmetic number, because the mean of its divisors is an integer number (28392654).

Almost surely, 2^56785307 is an apocalyptic number.

56785307 is a deficient number, since it is larger than the sum of its proper divisors (1).

56785307 is an equidigital number, since it uses as much as digits as its factorization.

56785307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 56785307 is about 7535.6026301816. The cubic root of 56785307 is about 384.3663202658.

The spelling of 56785307 in words is "fifty-six million, seven hundred eighty-five thousand, three hundred seven".