57271056615646 has 16 divisors (see below), whose sum is σ = 88694795589120. Its totient is φ = 27717123611520.

The previous prime is 57271056615637. The next prime is 57271056615667. The reversal of 57271056615646 is 64651665017275.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2749704231 + ... + 2749725058.

It is an arithmetic number, because the mean of its divisors is an integer number (5543424724320).

Almost surely, 2^{57271056615646} is an apocalyptic number.

57271056615646 is a deficient number, since it is larger than the sum of its proper divisors (31423738973474).

57271056615646 is a wasteful number, since it uses less digits than its factorization.

57271056615646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5499429459.

The product of its (nonzero) digits is 63504000, while the sum is 61.

The spelling of 57271056615646 in words is "fifty-seven trillion, two hundred seventy-one billion, fifty-six million, six hundred fifteen thousand, six hundred forty-six".