57317705 has 4 divisors (see below), whose sum is σ = 68781252. Its totient is φ = 45854160.

The previous prime is 57317677. The next prime is 57317779. The reversal of 57317705 is 50771375.

57317705 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 25361296 + 31956409 = 5036^2 + 5653^2 .

It is not a de Polignac number, because 57317705 - 2⁶ = 57317641 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 in 3 ways as a sum of consecutive naturals, for example, 5731766 + ... + 5731775.

It is an arithmetic number, because the mean of its divisors is an integer number (17195313).

Almost surely, 2^57317705 is an apocalyptic number.

It is an amenable number.

57317705 is a deficient number, since it is larger than the sum of its proper divisors (11463547).

57317705 is a wasteful number, since it uses less digits than its factorization.

57317705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11463546.

The product of its (nonzero) digits is 25725, while the sum is 35.

The square root of 57317705 is about 7570.8457255448. The cubic root of 57317705 is about 385.5638110217.

The spelling of 57317705 in words is "fifty-seven million, three hundred seventeen thousand, seven hundred five".