57271072257217 has 32 divisors (see below), whose sum is σ = 73556670684672. Its totient is φ = 43340562929664.

The previous prime is 57271072257193. The next prime is 57271072257247. The reversal of 57271072257217 is 71275227017275.

It is a happy number.

It is not a de Polignac number, because 57271072257217 - 2⁷ = 57271072257089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (57271072257247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 33527403 + ... + 35194159.

It is an arithmetic number, because the mean of its divisors is an integer number (2298645958896).

Almost surely, 2^{57271072257217} is an apocalyptic number.

It is an amenable number.

57271072257217 is a deficient number, since it is larger than the sum of its proper divisors (16285598427455).

57271072257217 is a wasteful number, since it uses less digits than its factorization.

57271072257217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1683217.

The product of its (nonzero) digits is 6722800, while the sum is 55.

The spelling of 57271072257217 in words is "fifty-seven trillion, two hundred seventy-one billion, seventy-two million, two hundred fifty-seven thousand, two hundred seventeen".