57307193 has 2 divisors, whose sum is σ = 57307194. Its totient is φ = 57307192.

The previous prime is 57307163. The next prime is 57307199. The reversal of 57307193 is 39170375.

57307193 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 31225744 + 26081449 = 5588^2 + 5107^2 .

It is a cyclic number.

It is not a de Polignac number, because 57307193 - 2⁸ = 57306937 is a prime.

It is a super-2 number, since 2×57307193² = 6568228739078498, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (57307199) 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, 28653596 + 28653597.

It is an arithmetic number, because the mean of its divisors is an integer number (28653597).

Almost surely, 2^57307193 is an apocalyptic number.

It is an amenable number.

57307193 is a deficient number, since it is larger than the sum of its proper divisors (1).

57307193 is an equidigital number, since it uses as much as digits as its factorization.

57307193 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 19845, while the sum is 35.

The square root of 57307193 is about 7570.1514515893. The cubic root of 57307193 is about 385.5402389300.

The spelling of 57307193 in words is "fifty-seven million, three hundred seven thousand, one hundred ninety-three".