57775009 has 2 divisors, whose sum is σ = 57775010. Its totient is φ = 57775008.

The previous prime is 57775007. The next prime is 57775021. The reversal of 57775009 is 90057775.

57775009 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., 57380625 + 394384 = 7575^2 + 628^2 .

It is a cyclic number.

It is not a de Polignac number, because 57775009 - 2¹ = 57775007 is a prime.

Together with 57775007, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (57775007) 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, 28887504 + 28887505.

It is an arithmetic number, because the mean of its divisors is an integer number (28887505).

Almost surely, 2^57775009 is an apocalyptic number.

It is an amenable number.

57775009 is a deficient number, since it is larger than the sum of its proper divisors (1).

57775009 is an equidigital number, since it uses as much as digits as its factorization.

57775009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77175, while the sum is 40.

The square root of 57775009 is about 7600.9873700724. The cubic root of 57775009 is about 386.5864910891.

The spelling of 57775009 in words is "fifty-seven million, seven hundred seventy-five thousand, nine".