57856243 has 8 divisors (see below), whose sum is σ = 58964976. Its totient is φ = 56752800.

The previous prime is 57856241. The next prime is 57856259. The reversal of 57856243 is 34265875.

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 57856243 - 2¹ = 57856241 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 57856196 and 57856205.

It is not an unprimeable number, because it can be changed into a prime (57856241) 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, 25953 + ... + 28093.

It is an arithmetic number, because the mean of its divisors is an integer number (7370622).

Almost surely, 2^57856243 is an apocalyptic number.

57856243 is a deficient number, since it is larger than the sum of its proper divisors (1108733).

57856243 is a wasteful number, since it uses less digits than its factorization.

57856243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2645.

The product of its digits is 201600, while the sum is 40.

The square root of 57856243 is about 7606.3291409194. The cubic root of 57856243 is about 386.7675916527.

The spelling of 57856243 in words is "fifty-seven million, eight hundred fifty-six thousand, two hundred forty-three".