57897641 has 4 divisors (see below), whose sum is σ = 57974484. Its totient is φ = 57820800.

The previous prime is 57897613. The next prime is 57897643. The reversal of 57897641 is 14679875.

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 577600 + 57320041 = 760^2 + 7571^2 .

It is a cyclic number.

It is not a de Polignac number, because 57897641 - 2⁶ = 57897577 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57897643) 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, 37280 + ... + 38801.

It is an arithmetic number, because the mean of its divisors is an integer number (14493621).

Almost surely, 2^57897641 is an apocalyptic number.

It is an amenable number.

57897641 is a deficient number, since it is larger than the sum of its proper divisors (76843).

57897641 is an equidigital number, since it uses as much as digits as its factorization.

57897641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76842.

The product of its digits is 423360, while the sum is 47.

The square root of 57897641 is about 7609.0499406956. The cubic root of 57897641 is about 386.8598178704.

The spelling of 57897641 in words is "fifty-seven million, eight hundred ninety-seven thousand, six hundred forty-one".