57856349 has 8 divisors (see below), whose sum is σ = 60987840. Its totient is φ = 54733536.

The previous prime is 57856327. The next prime is 57856373. The reversal of 57856349 is 94365875.

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

It is a cyclic number.

It is not a de Polignac number, because 57856349 - 2¹⁶ = 57790813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57850349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15137 + ... + 18569.

It is an arithmetic number, because the mean of its divisors is an integer number (7623480).

Almost surely, 2^57856349 is an apocalyptic number.

It is an amenable number.

57856349 is a deficient number, since it is larger than the sum of its proper divisors (3131491).

57856349 is a wasteful number, since it uses less digits than its factorization.

57856349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4339.

The product of its digits is 907200, while the sum is 47.

The square root of 57856349 is about 7606.3361087977. The cubic root of 57856349 is about 386.7678278551.

The spelling of 57856349 in words is "fifty-seven million, eight hundred fifty-six thousand, three hundred forty-nine".