57320194 has 8 divisors (see below), whose sum is σ = 86023548. Its totient is φ = 28645680.

The previous prime is 57320191. The next prime is 57320201. The reversal of 57320194 is 49102375.

It can be written as a sum of positive squares in 2 ways, for example, as 32069569 + 25250625 = 5663^2 + 5025^2 .

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

It is not an unprimeable number, because it can be changed into a prime (57320191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1257 + ... + 10780.

Almost surely, 2^57320194 is an apocalyptic number.

57320194 is a deficient number, since it is larger than the sum of its proper divisors (28703354).

57320194 is a wasteful number, since it uses less digits than its factorization.

57320194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14420.

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 57320194 is about 7571.0101043388. The cubic root of 57320194 is about 385.5693919292.

The spelling of 57320194 in words is "fifty-seven million, three hundred twenty thousand, one hundred ninety-four".