57841897 has 4 divisors (see below), whose sum is σ = 57867076. Its totient is φ = 57816720.

The previous prime is 57841891. The next prime is 57841933. The reversal of 57841897 is 79814875.

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 44475561 + 13366336 = 6669^2 + 3656^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-57841897 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 57841897.

It is not an unprimeable number, because it can be changed into a prime (57841891) 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, 8754 + ... + 13867.

It is an arithmetic number, because the mean of its divisors is an integer number (14466769).

Almost surely, 2^57841897 is an apocalyptic number.

It is an amenable number.

57841897 is a deficient number, since it is larger than the sum of its proper divisors (25179).

57841897 is a wasteful number, since it uses less digits than its factorization.

57841897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25178.

The product of its digits is 564480, while the sum is 49.

The square root of 57841897 is about 7605.3860520029. The cubic root of 57841897 is about 386.7356214553.

The spelling of 57841897 in words is "fifty-seven million, eight hundred forty-one thousand, eight hundred ninety-seven".