57056165 has 8 divisors (see below), whose sum is σ = 72495000. Its totient is φ = 42959872.

The previous prime is 57056161. The next prime is 57056171. The reversal of 57056165 is 56165075.

It can be written as a sum of positive squares in 4 ways, for example, as 4072324 + 52983841 = 2018^2 + 7279^2 .

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 57056165 - 2² = 57056161 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57056161) 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, 335540 + ... + 335709.

It is an arithmetic number, because the mean of its divisors is an integer number (9061875).

Almost surely, 2^57056165 is an apocalyptic number.

It is an amenable number.

57056165 is a deficient number, since it is larger than the sum of its proper divisors (15438835).

57056165 is a wasteful number, since it uses less digits than its factorization.

57056165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 671271.

The product of its (nonzero) digits is 31500, while the sum is 35.

The square root of 57056165 is about 7553.5531374314. The cubic root of 57056165 is about 384.9764757651.

The spelling of 57056165 in words is "fifty-seven million, fifty-six thousand, one hundred sixty-five".