57616109 has 2 divisors, whose sum is σ = 57616110. Its totient is φ = 57616108.

The previous prime is 57616079. The next prime is 57616133. The reversal of 57616109 is 90161675.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 57229225 + 386884 = 7565^2 + 622^2 .

It is a cyclic number.

It is not a de Polignac number, because 57616109 - 2⁸ = 57615853 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (57616159) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28808054 + 28808055.

It is an arithmetic number, because the mean of its divisors is an integer number (28808055).

Almost surely, 2^57616109 is an apocalyptic number.

It is an amenable number.

57616109 is a deficient number, since it is larger than the sum of its proper divisors (1).

57616109 is an equidigital number, since it uses as much as digits as its factorization.

57616109 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11340, while the sum is 35.

The square root of 57616109 is about 7590.5275837718. The cubic root of 57616109 is about 386.2317529599.

The spelling of 57616109 in words is "fifty-seven million, six hundred sixteen thousand, one hundred nine".