57291671516 has 24 divisors (see below), whose sum is σ = 104072855040. Its totient is φ = 27566895600.

The previous prime is 57291671509. The next prime is 57291671519. The reversal of 57291671516 is 61517619275.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57291671519) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1268390 + ... + 1312781.

It is an arithmetic number, because the mean of its divisors is an integer number (4336368960).

Almost surely, 2^57291671516 is an apocalyptic number.

It is an amenable number.

57291671516 is a deficient number, since it is larger than the sum of its proper divisors (46781183524).

57291671516 is a wasteful number, since it uses less digits than its factorization.

57291671516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2581385 (or 2581383 counting only the distinct ones).

The product of its digits is 793800, while the sum is 50.

The spelling of 57291671516 in words is "fifty-seven billion, two hundred ninety-one million, six hundred seventy-one thousand, five hundred sixteen".