57097817 has 8 divisors (see below), whose sum is σ = 65529600. Its totient is φ = 48734784.

The previous prime is 57097813. The next prime is 57097819. The reversal of 57097817 is 71879075.

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

It is not a de Polignac number, because 57097817 - 2² = 57097813 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57097813) 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, 15392 + ... + 18737.

It is an arithmetic number, because the mean of its divisors is an integer number (8191200).

Almost surely, 2^57097817 is an apocalyptic number.

It is an amenable number.

57097817 is a deficient number, since it is larger than the sum of its proper divisors (8431783).

57097817 is a wasteful number, since it uses less digits than its factorization.

57097817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34375.

The product of its (nonzero) digits is 123480, while the sum is 44.

The square root of 57097817 is about 7556.3097474892. The cubic root of 57097817 is about 385.0701328356.

The spelling of 57097817 in words is "fifty-seven million, ninety-seven thousand, eight hundred seventeen".