56820679 has 2 divisors, whose sum is σ = 56820680. Its totient is φ = 56820678.

The previous prime is 56820677. The next prime is 56820727. The reversal of 56820679 is 97602865.

56820679 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 56820679 - 2¹ = 56820677 is a prime.

Together with 56820677, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (56820677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28410339 + 28410340.

It is an arithmetic number, because the mean of its divisors is an integer number (28410340).

Almost surely, 2^56820679 is an apocalyptic number.

56820679 is a deficient number, since it is larger than the sum of its proper divisors (1).

56820679 is an equidigital number, since it uses as much as digits as its factorization.

56820679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 181440, while the sum is 43.

The square root of 56820679 is about 7537.9492569266. The cubic root of 56820679 is about 384.4461119361.

The spelling of 56820679 in words is "fifty-six million, eight hundred twenty thousand, six hundred seventy-nine".