56807867 has 2 divisors, whose sum is σ = 56807868. Its totient is φ = 56807866.

The previous prime is 56807843. The next prime is 56807869. The reversal of 56807867 is 76870865.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 56807867 - 2¹² = 56803771 is a prime.

Together with 56807869, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56807869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28403933 + 28403934.

It is an arithmetic number, because the mean of its divisors is an integer number (28403934).

Almost surely, 2^56807867 is an apocalyptic number.

56807867 is a deficient number, since it is larger than the sum of its proper divisors (1).

56807867 is an equidigital number, since it uses as much as digits as its factorization.

56807867 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 56807867 is about 7537.0993757546. The cubic root of 56807867 is about 384.4172146290.

The spelling of 56807867 in words is "fifty-six million, eight hundred seven thousand, eight hundred sixty-seven".