57448317 has 4 divisors (see below), whose sum is σ = 76597760. Its totient is φ = 38298876.

The previous prime is 57448297. The next prime is 57448327. The reversal of 57448317 is 71384475.

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 57448317 - 2¹⁰ = 57447293 is a prime.

It is a super-2 number, since 2×57448317² = 6600618252264978, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57448327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9574717 + ... + 9574722.

It is an arithmetic number, because the mean of its divisors is an integer number (19149440).

Almost surely, 2^57448317 is an apocalyptic number.

It is an amenable number.

57448317 is a deficient number, since it is larger than the sum of its proper divisors (19149443).

57448317 is a wasteful number, since it uses less digits than its factorization.

57448317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19149442.

The product of its digits is 94080, while the sum is 39.

The square root of 57448317 is about 7579.4668018272. The cubic root of 57448317 is about 385.8564550775.

The spelling of 57448317 in words is "fifty-seven million, four hundred forty-eight thousand, three hundred seventeen".