57344809 has 2 divisors, whose sum is σ = 57344810. Its totient is φ = 57344808.

The previous prime is 57344801. The next prime is 57344813. The reversal of 57344809 is 90844375.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 36869184 + 20475625 = 6072^2 + 4525^2 .

It is a cyclic number.

It is not a de Polignac number, because 57344809 - 2³ = 57344801 is a prime.

It is not a weakly prime, because it can be changed into another prime (57344801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28672404 + 28672405.

It is an arithmetic number, because the mean of its divisors is an integer number (28672405).

Almost surely, 2^57344809 is an apocalyptic number.

It is an amenable number.

57344809 is a deficient number, since it is larger than the sum of its proper divisors (1).

57344809 is an equidigital number, since it uses as much as digits as its factorization.

57344809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 57344809 is about 7572.6355385691. The cubic root of 57344809 is about 385.6245756943.

The spelling of 57344809 in words is "fifty-seven million, three hundred forty-four thousand, eight hundred nine".