57448517 has 4 divisors (see below), whose sum is σ = 65655456. Its totient is φ = 49241580.

The previous prime is 57448513. The next prime is 57448529. The reversal of 57448517 is 71584475.

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 a cyclic number.

It is not a de Polignac number, because 57448517 - 2² = 57448513 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 (57448511) 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, 4103459 + ... + 4103472.

It is an arithmetic number, because the mean of its divisors is an integer number (16413864).

Almost surely, 2^57448517 is an apocalyptic number.

It is an amenable number.

57448517 is a deficient number, since it is larger than the sum of its proper divisors (8206939).

57448517 is an equidigital number, since it uses as much as digits as its factorization.

57448517 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8206938.

The product of its digits is 156800, while the sum is 41.

The square root of 57448517 is about 7579.4799953559. The cubic root of 57448517 is about 385.8569028493.

The spelling of 57448517 in words is "fifty-seven million, four hundred forty-eight thousand, five hundred seventeen".