57171268 has 24 divisors (see below), whose sum is σ = 124737984. Its totient is φ = 22274400.

The previous prime is 57171251. The next prime is 57171269. The reversal of 57171268 is 86217175.

It is not an unprimeable number, because it can be changed into a prime (57171269) 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, 92503 + ... + 93118.

It is an arithmetic number, because the mean of its divisors is an integer number (5197416).

Almost surely, 2^57171268 is an apocalyptic number.

It is an amenable number.

57171268 is an abundant number, since it is smaller than the sum of its proper divisors (67566716).

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

57171268 is a wasteful number, since it uses less digits than its factorization.

57171268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185643 (or 185641 counting only the distinct ones).

The product of its digits is 23520, while the sum is 37.

The square root of 57171268 is about 7561.1684282259. The cubic root of 57171268 is about 385.2351809835.

The spelling of 57171268 in words is "fifty-seven million, one hundred seventy-one thousand, two hundred sixty-eight".