57109171 has 8 divisors (see below), whose sum is σ = 69107040. Its totient is φ = 46071168.

The previous prime is 57109153. The next prime is 57109177. The reversal of 57109171 is 17190175.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 57109171 - 2⁵ = 57109139 is a prime.

It is a super-2 number, since 2×57109171² = 6522914824614482, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (57109177) 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, 239836 + ... + 240073.

It is an arithmetic number, because the mean of its divisors is an integer number (8638380).

Almost surely, 2^57109171 is an apocalyptic number.

57109171 is a deficient number, since it is larger than the sum of its proper divisors (11997869).

57109171 is a wasteful number, since it uses less digits than its factorization.

57109171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 479933.

The product of its (nonzero) digits is 2205, while the sum is 31.

The square root of 57109171 is about 7557.0610027973. The cubic root of 57109171 is about 385.0956550987.

The spelling of 57109171 in words is "fifty-seven million, one hundred nine thousand, one hundred seventy-one".