57856117 has 8 divisors (see below), whose sum is σ = 66828672. Its totient is φ = 49502400.

The previous prime is 57856111. The next prime is 57856153. The reversal of 57856117 is 71165875.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57856117 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57856117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57856111) 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, 154509 + ... + 154882.

It is an arithmetic number, because the mean of its divisors is an integer number (8353584).

Almost surely, 2^57856117 is an apocalyptic number.

It is an amenable number.

57856117 is a deficient number, since it is larger than the sum of its proper divisors (8972555).

57856117 is a wasteful number, since it uses less digits than its factorization.

57856117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309419.

The product of its digits is 58800, while the sum is 40.

The square root of 57856117 is about 7606.3208583388. The cubic root of 57856117 is about 386.7673108835.

The spelling of 57856117 in words is "fifty-seven million, eight hundred fifty-six thousand, one hundred seventeen".