57328859 has 4 divisors (see below), whose sum is σ = 65518704. Its totient is φ = 49139016.

The previous prime is 57328849. The next prime is 57328891. The reversal of 57328859 is 95882375.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57328859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57328819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4094912 + ... + 4094925.

It is an arithmetic number, because the mean of its divisors is an integer number (16379676).

Almost surely, 2^57328859 is an apocalyptic number.

57328859 is a deficient number, since it is larger than the sum of its proper divisors (8189845).

57328859 is an equidigital number, since it uses as much as digits as its factorization.

57328859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189844.

The product of its digits is 604800, while the sum is 47.

The square root of 57328859 is about 7571.5823313228. The cubic root of 57328859 is about 385.5888195818.

The spelling of 57328859 in words is "fifty-seven million, three hundred twenty-eight thousand, eight hundred fifty-nine".