57050009 has 2 divisors, whose sum is σ = 57050010. Its totient is φ = 57050008.

The previous prime is 57050003. The next prime is 57050023. The reversal of 57050009 is 90005075.

57050009 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., 47265625 + 9784384 = 6875^2 + 3128^2 .

It is a cyclic number.

It is not a de Polignac number, because 57050009 - 2⁸ = 57049753 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 57050009.

It is not a weakly prime, because it can be changed into another prime (57050003) 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, 28525004 + 28525005.

It is an arithmetic number, because the mean of its divisors is an integer number (28525005).

Almost surely, 2^57050009 is an apocalyptic number.

It is an amenable number.

57050009 is a deficient number, since it is larger than the sum of its proper divisors (1).

57050009 is an equidigital number, since it uses as much as digits as its factorization.

57050009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1575, while the sum is 26.

The square root of 57050009 is about 7553.1456360910. The cubic root of 57050009 is about 384.9626297567.

The spelling of 57050009 in words is "fifty-seven million, fifty thousand, nine".