57171131336 has 32 divisors (see below), whose sum is σ = 117794558880. Its totient is φ = 25797187200.

The previous prime is 57171131327. The next prime is 57171131351. The reversal of 57171131336 is 63313117175.

It is a happy number.

It is a super-2 number, since 2×57171131336² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57171131336.

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, 2359010 + ... + 2383121.

It is an arithmetic number, because the mean of its divisors is an integer number (3681079965).

Almost surely, 2^57171131336 is an apocalyptic number.

It is an amenable number.

57171131336 is an abundant number, since it is smaller than the sum of its proper divisors (60623427544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57171131336 is a wasteful number, since it uses less digits than its factorization.

57171131336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4742285 (or 4742281 counting only the distinct ones).

The product of its digits is 39690, while the sum is 38.

The spelling of 57171131336 in words is "fifty-seven billion, one hundred seventy-one million, one hundred thirty-one thousand, three hundred thirty-six".