56949257 has 2 divisors, whose sum is σ = 56949258. Its totient is φ = 56949256.

The previous prime is 56949241. The next prime is 56949281. The reversal of 56949257 is 75294965.

56949257 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., 52722121 + 4227136 = 7261^2 + 2056^2 .

It is a cyclic number.

It is not a de Polignac number, because 56949257 - 2⁴ = 56949241 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (56949227) 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, 28474628 + 28474629.

It is an arithmetic number, because the mean of its divisors is an integer number (28474629).

Almost surely, 2^56949257 is an apocalyptic number.

It is an amenable number.

56949257 is a deficient number, since it is larger than the sum of its proper divisors (1).

56949257 is an equidigital number, since it uses as much as digits as its factorization.

56949257 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 680400, while the sum is 47.

The square root of 56949257 is about 7546.4731497568. The cubic root of 56949257 is about 384.7358777646.

The spelling of 56949257 in words is "fifty-six million, nine hundred forty-nine thousand, two hundred fifty-seven".