57086806 has 8 divisors (see below), whose sum is σ = 97863120. Its totient is φ = 24465768.

The previous prime is 57086791. The next prime is 57086839. The reversal of 57086806 is 60868075.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038801 + ... + 2038828.

It is an arithmetic number, because the mean of its divisors is an integer number (12232890).

Almost surely, 2^57086806 is an apocalyptic number.

57086806 is a deficient number, since it is larger than the sum of its proper divisors (40776314).

57086806 is a wasteful number, since it uses less digits than its factorization.

57086806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077638.

The product of its (nonzero) digits is 80640, while the sum is 40.

The square root of 57086806 is about 7555.5811159698. The cubic root of 57086806 is about 385.0453783584.

The spelling of 57086806 in words is "fifty-seven million, eighty-six thousand, eight hundred six".