57340865 has 8 divisors (see below), whose sum is σ = 68883048. Its totient is φ = 45823360.

The previous prime is 57340853. The next prime is 57340883. The reversal of 57340865 is 56804375.

It can be written as a sum of positive squares in 4 ways, for example, as 5053504 + 52287361 = 2248^2 + 7231^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 57340865 - 2¹⁴ = 57324481 is a prime.

It is a Duffinian number.

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, 596 + ... + 10725.

It is an arithmetic number, because the mean of its divisors is an integer number (8610381).

Almost surely, 2^57340865 is an apocalyptic number.

It is an amenable number.

57340865 is a deficient number, since it is larger than the sum of its proper divisors (11542183).

57340865 is a wasteful number, since it uses less digits than its factorization.

57340865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12339.

The product of its (nonzero) digits is 100800, while the sum is 38.

The square root of 57340865 is about 7572.3751227736. The cubic root of 57340865 is about 385.6157347999.

The spelling of 57340865 in words is "fifty-seven million, three hundred forty thousand, eight hundred sixty-five".