57389194 has 4 divisors (see below), whose sum is σ = 86083794. Its totient is φ = 28694596.

The previous prime is 57389191. The next prime is 57389201. The reversal of 57389194 is 49198375.

It is a happy number.

57389194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 56055169 + 1334025 = 7487^2 + 1155^2 .

It is not an unprimeable number, because it can be changed into a prime (57389191) 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 as a sum of consecutive naturals, namely, 14347297 + ... + 14347300.

Almost surely, 2^57389194 is an apocalyptic number.

57389194 is a deficient number, since it is larger than the sum of its proper divisors (28694600).

57389194 is a wasteful number, since it uses less digits than its factorization.

57389194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28694599.

The product of its digits is 272160, while the sum is 46.

The square root of 57389194 is about 7575.5655894461. The cubic root of 57389194 is about 385.7240414411.

The spelling of 57389194 in words is "fifty-seven million, three hundred eighty-nine thousand, one hundred ninety-four".