57394565 has 4 divisors (see below), whose sum is σ = 68873484. Its totient is φ = 45915648.

The previous prime is 57394553. The next prime is 57394607. The reversal of 57394565 is 56549375.

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 31516996 + 25877569 = 5614^2 + 5087^2 .

It is a cyclic number.

It is not a de Polignac number, because 57394565 - 2⁶ = 57394501 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, 5739452 + ... + 5739461.

It is an arithmetic number, because the mean of its divisors is an integer number (17218371).

Almost surely, 2^57394565 is an apocalyptic number.

It is an amenable number.

57394565 is a deficient number, since it is larger than the sum of its proper divisors (11478919).

57394565 is a wasteful number, since it uses less digits than its factorization.

57394565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11478918.

The product of its digits is 567000, while the sum is 44.

The square root of 57394565 is about 7575.9200761360. The cubic root of 57394565 is about 385.7360742476.

The spelling of 57394565 in words is "fifty-seven million, three hundred ninety-four thousand, five hundred sixty-five".