57668417 has 4 divisors (see below), whose sum is σ = 57717636. Its totient is φ = 57619200.

The previous prime is 57668407. The next prime is 57668423. The reversal of 57668417 is 71486675.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 3041536 + 54626881 = 1744^2 + 7391^2 .

It is a cyclic number.

It is not a de Polignac number, because 57668417 - 2⁸ = 57668161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57668407) 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, 22808 + ... + 25209.

It is an arithmetic number, because the mean of its divisors is an integer number (14429409).

Almost surely, 2^57668417 is an apocalyptic number.

It is an amenable number.

57668417 is a deficient number, since it is larger than the sum of its proper divisors (49219).

57668417 is a wasteful number, since it uses less digits than its factorization.

57668417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49218.

The product of its digits is 282240, while the sum is 44.

The square root of 57668417 is about 7593.9724123808. The cubic root of 57668417 is about 386.3486004877.

It can be divided in two parts, 57668 and 417, that added together give a palindrome (58085).

The spelling of 57668417 in words is "fifty-seven million, six hundred sixty-eight thousand, four hundred seventeen".