57857841 has 8 divisors (see below), whose sum is σ = 85715360. Its totient is φ = 38571876.

The previous prime is 57857827. The next prime is 57857843. The reversal of 57857841 is 14875875.

It is a happy number.

57857841 is a `hidden beast` number, since 5 + 78 + 578 + 4 + 1 = 666.

It is not a de Polignac number, because 57857841 - 2⁵ = 57857809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57857843) 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, 1071415 + ... + 1071468.

It is an arithmetic number, because the mean of its divisors is an integer number (10714420).

Almost surely, 2^57857841 is an apocalyptic number.

It is an amenable number.

57857841 is a deficient number, since it is larger than the sum of its proper divisors (27857519).

57857841 is a wasteful number, since it uses less digits than its factorization.

57857841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142892 (or 2142886 counting only the distinct ones).

The product of its digits is 313600, while the sum is 45.

The square root of 57857841 is about 7606.4341842942. The cubic root of 57857841 is about 386.7711524838.

The spelling of 57857841 in words is "fifty-seven million, eight hundred fifty-seven thousand, eight hundred forty-one".