57275642218 has 4 divisors (see below), whose sum is σ = 85913463330. Its totient is φ = 28637821108.

The previous prime is 57275642201. The next prime is 57275642227. The reversal of 57275642218 is 81224657275.

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

It can be written as a sum of positive squares in only one way, i.e., 46101672369 + 11173969849 = 214713^2 + 105707^2 .

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14318910553 + ... + 14318910556.

Almost surely, 2^57275642218 is an apocalyptic number.

57275642218 is a deficient number, since it is larger than the sum of its proper divisors (28637821112).

57275642218 is a wasteful number, since it uses less digits than its factorization.

57275642218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28637821111.

The product of its digits is 1881600, while the sum is 49.

The spelling of 57275642218 in words is "fifty-seven billion, two hundred seventy-five million, six hundred forty-two thousand, two hundred eighteen".