57857005 has 12 divisors (see below), whose sum is σ = 71746236. Its totient is φ = 44788800.

The previous prime is 57856999. The next prime is 57857081. The reversal of 57857005 is 50075875.

It can be written as a sum of positive squares in 2 ways, for example, as 28761769 + 29095236 = 5363^2 + 5394^2 .

It is not a de Polignac number, because 57857005 - 2¹⁵ = 57824237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1216 + ... + 10825.

It is an arithmetic number, because the mean of its divisors is an integer number (5978853).

Almost surely, 2^57857005 is an apocalyptic number.

It is an amenable number.

57857005 is a deficient number, since it is larger than the sum of its proper divisors (13889231).

57857005 is a wasteful number, since it uses less digits than its factorization.

57857005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12108 (or 12077 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 37.

The square root of 57857005 is about 7606.3792306195. The cubic root of 57857005 is about 386.7692896292.

The spelling of 57857005 in words is "fifty-seven million, eight hundred fifty-seven thousand, five".