57818061 has 24 divisors (see below), whose sum is σ = 95843904. Its totient is φ = 32901120.

The previous prime is 57818041. The next prime is 57818099. The reversal of 57818061 is 16081875.

57818061 is a `hidden beast` number, since 578 + 1 + 80 + 6 + 1 = 666.

It is not a de Polignac number, because 57818061 - 2⁹ = 57817549 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57818011) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14406 + ... + 17976.

It is an arithmetic number, because the mean of its divisors is an integer number (3993496).

Almost surely, 2^57818061 is an apocalyptic number.

It is an amenable number.

57818061 is a deficient number, since it is larger than the sum of its proper divisors (38025843).

57818061 is a wasteful number, since it uses less digits than its factorization.

57818061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3841 (or 3838 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 36.

The square root of 57818061 is about 7603.8188431866. The cubic root of 57818061 is about 386.6824910124.

The spelling of 57818061 in words is "fifty-seven million, eight hundred eighteen thousand, sixty-one".