57648163 has 4 divisors (see below), whose sum is σ = 57779920. Its totient is φ = 57516408.

The previous prime is 57648121. The next prime is 57648181. The reversal of 57648163 is 36184675.

It is a happy number.

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 57648163 - 2²¹ = 55551011 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57648113) 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, 65220 + ... + 66097.

It is an arithmetic number, because the mean of its divisors is an integer number (14444980).

Almost surely, 2^57648163 is an apocalyptic number.

57648163 is a deficient number, since it is larger than the sum of its proper divisors (131757).

57648163 is a wasteful number, since it uses less digits than its factorization.

57648163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131756.

The product of its digits is 120960, while the sum is 40.

The square root of 57648163 is about 7592.6387376195. The cubic root of 57648163 is about 386.3033647461.

The spelling of 57648163 in words is "fifty-seven million, six hundred forty-eight thousand, one hundred sixty-three".