57275642217 has 4 divisors (see below), whose sum is σ = 76367522960. Its totient is φ = 38183761476.

The previous prime is 57275642201. The next prime is 57275642227. The reversal of 57275642217 is 71224657275.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 57275642217 - 2⁴ = 57275642201 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57275642227) 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, 9545940367 + ... + 9545940372.

It is an arithmetic number, because the mean of its divisors is an integer number (19091880740).

Almost surely, 2^57275642217 is an apocalyptic number.

It is an amenable number.

57275642217 is a deficient number, since it is larger than the sum of its proper divisors (19091880743).

57275642217 is a wasteful number, since it uses less digits than its factorization.

57275642217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19091880742.

The product of its digits is 1646400, while the sum is 48.

The spelling of 57275642217 in words is "fifty-seven billion, two hundred seventy-five million, six hundred forty-two thousand, two hundred seventeen".