57086065 has 8 divisors (see below), whose sum is σ = 70865640. Its totient is φ = 44093952.

The previous prime is 57086053. The next prime is 57086083. The reversal of 57086065 is 56068075.

It can be written as a sum of positive squares in 4 ways, for example, as 53361 + 57032704 = 231^2 + 7552^2 .

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 57086065 - 2⁵ = 57086033 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 196704 + ... + 196993.

It is an arithmetic number, because the mean of its divisors is an integer number (8858205).

Almost surely, 2^57086065 is an apocalyptic number.

It is an amenable number.

57086065 is a deficient number, since it is larger than the sum of its proper divisors (13779575).

57086065 is a wasteful number, since it uses less digits than its factorization.

57086065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393731.

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 57086065 is about 7555.5320792119. The cubic root of 57086065 is about 385.0437123584.

The spelling of 57086065 in words is "fifty-seven million, eighty-six thousand, sixty-five".