57241616779 has 4 divisors (see below), whose sum is σ = 57459265776. Its totient is φ = 57023967784.

The previous prime is 57241616741. The next prime is 57241616797. The reversal of 57241616779 is 97761614275.

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 57241616779 - 2⁷ = 57241616651 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57241616479) 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, 108824104 + ... + 108824629.

It is an arithmetic number, because the mean of its divisors is an integer number (14364816444).

Almost surely, 2^57241616779 is an apocalyptic number.

57241616779 is a deficient number, since it is larger than the sum of its proper divisors (217648997).

57241616779 is a wasteful number, since it uses less digits than its factorization.

57241616779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217648996.

The product of its digits is 4445280, while the sum is 55.

The spelling of 57241616779 in words is "fifty-seven billion, two hundred forty-one million, six hundred sixteen thousand, seven hundred seventy-nine".