56078657 has 2 divisors, whose sum is σ = 56078658. Its totient is φ = 56078656.

The previous prime is 56078653. The next prime is 56078677. The reversal of 56078657 is 75687065.

56078657 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 can be written as a sum of positive squares in only one way, i.e., 34586161 + 21492496 = 5881^2 + 4636^2 .

It is a cyclic number.

It is not a de Polignac number, because 56078657 - 2² = 56078653 is a prime.

It is not a weakly prime, because it can be changed into another prime (56078653) 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, 28039328 + 28039329.

It is an arithmetic number, because the mean of its divisors is an integer number (28039329).

Almost surely, 2^56078657 is an apocalyptic number.

It is an amenable number.

56078657 is a deficient number, since it is larger than the sum of its proper divisors (1).

56078657 is an equidigital number, since it uses as much as digits as its factorization.

56078657 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 352800, while the sum is 44.

The square root of 56078657 is about 7488.5684212672. The cubic root of 56078657 is about 382.7652782635.

The spelling of 56078657 in words is "fifty-six million, seventy-eight thousand, six hundred fifty-seven".