57809339 has 4 divisors (see below), whose sum is σ = 66067824. Its totient is φ = 49550856.

The previous prime is 57809309. The next prime is 57809351. The reversal of 57809339 is 93390875.

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

It is a cyclic number.

It is not a de Polignac number, because 57809339 - 2¹² = 57805243 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57809339.

It is not an unprimeable number, because it can be changed into a prime (57809309) 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, 4129232 + ... + 4129245.

It is an arithmetic number, because the mean of its divisors is an integer number (16516956).

Almost surely, 2^57809339 is an apocalyptic number.

57809339 is a deficient number, since it is larger than the sum of its proper divisors (8258485).

57809339 is an equidigital number, since it uses as much as digits as its factorization.

57809339 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8258484.

The product of its (nonzero) digits is 204120, while the sum is 44.

The square root of 57809339 is about 7603.2452939518. The cubic root of 57809339 is about 386.6630460257.

The spelling of 57809339 in words is "fifty-seven million, eight hundred nine thousand, three hundred thirty-nine".