57116165 has 4 divisors (see below), whose sum is σ = 68539404. Its totient is φ = 45692928.

The previous prime is 57116159. The next prime is 57116173. The reversal of 57116165 is 56161175.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 11607649 + 45508516 = 3407^2 + 6746^2 .

It is a cyclic number.

It is not a de Polignac number, because 57116165 - 2¹⁴ = 57099781 is a prime.

It is a Duffinian number.

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, 5711612 + ... + 5711621.

It is an arithmetic number, because the mean of its divisors is an integer number (17134851).

Almost surely, 2^57116165 is an apocalyptic number.

It is an amenable number.

57116165 is a deficient number, since it is larger than the sum of its proper divisors (11423239).

57116165 is a wasteful number, since it uses less digits than its factorization.

57116165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11423238.

The product of its digits is 6300, while the sum is 32.

The square root of 57116165 is about 7557.5237346634. The cubic root of 57116165 is about 385.1113749852. Note that the first 3 decimals are identical.

The spelling of 57116165 in words is "fifty-seven million, one hundred sixteen thousand, one hundred sixty-five".