57198361 has 8 divisors (see below), whose sum is σ = 62848800. Its totient is φ = 51623040.

The previous prime is 57198343. The next prime is 57198377. The reversal of 57198361 is 16389175.

57198361 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 57198361 - 2⁵ = 57198329 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (57198311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17176 + ... + 20233.

It is an arithmetic number, because the mean of its divisors is an integer number (7856100).

Almost surely, 2^57198361 is an apocalyptic number.

It is an amenable number.

57198361 is a deficient number, since it is larger than the sum of its proper divisors (5650439).

57198361 is a wasteful number, since it uses less digits than its factorization.

57198361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37559.

The product of its digits is 45360, while the sum is 40.

The square root of 57198361 is about 7562.9598042036. The cubic root of 57198361 is about 385.2960246488.

The spelling of 57198361 in words is "fifty-seven million, one hundred ninety-eight thousand, three hundred sixty-one".