57968409 has 4 divisors (see below), whose sum is σ = 77291216. Its totient is φ = 38645604.

The previous prime is 57968389. The next prime is 57968413. The reversal of 57968409 is 90486975.

57968409 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57968409 - 2⁵ = 57968377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57968479) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9661399 + ... + 9661404.

It is an arithmetic number, because the mean of its divisors is an integer number (19322804).

Almost surely, 2^57968409 is an apocalyptic number.

It is an amenable number.

57968409 is a deficient number, since it is larger than the sum of its proper divisors (19322807).

57968409 is a wasteful number, since it uses less digits than its factorization.

57968409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19322806.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 57968409 is about 7613.6987726072. The cubic root of 57968409 is about 387.0173726419.

The spelling of 57968409 in words is "fifty-seven million, nine hundred sixty-eight thousand, four hundred nine".