57135317 has 8 divisors (see below), whose sum is σ = 60681816. Its totient is φ = 53609472.

The previous prime is 57135313. The next prime is 57135341. The reversal of 57135317 is 71353175.

It can be written as a sum of positive squares in 4 ways, for example, as 2390116 + 54745201 = 1546^2 + 7399^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57135317 - 2² = 57135313 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57135311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 743 + ... + 10715.

It is an arithmetic number, because the mean of its divisors is an integer number (7585227).

Almost surely, 2^57135317 is an apocalyptic number.

It is an amenable number.

57135317 is a deficient number, since it is larger than the sum of its proper divisors (3546499).

57135317 is a wasteful number, since it uses less digits than its factorization.

57135317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10327.

The product of its digits is 11025, while the sum is 32.

The square root of 57135317 is about 7558.7907101599. The cubic root of 57135317 is about 385.1544149245.

The spelling of 57135317 in words is "fifty-seven million, one hundred thirty-five thousand, three hundred seventeen".