57755065 has 4 divisors (see below), whose sum is σ = 69306084. Its totient is φ = 46204048.

The previous prime is 57755059. The next prime is 57755099. The reversal of 57755065 is 56055775.

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 10310521 + 47444544 = 3211^2 + 6888^2 .

It is a cyclic number.

It is not a de Polignac number, because 57755065 - 2⁹ = 57754553 is a prime.

It is a Duffinian 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, 5775502 + ... + 5775511.

It is an arithmetic number, because the mean of its divisors is an integer number (17326521).

Almost surely, 2^57755065 is an apocalyptic number.

It is an amenable number.

57755065 is a deficient number, since it is larger than the sum of its proper divisors (11551019).

57755065 is a wasteful number, since it uses less digits than its factorization.

57755065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11551018.

The product of its (nonzero) digits is 183750, while the sum is 40.

The square root of 57755065 is about 7599.6753220121. The cubic root of 57755065 is about 386.5420026014.

The spelling of 57755065 in words is "fifty-seven million, seven hundred fifty-five thousand, sixty-five".