57493018 has 16 divisors (see below), whose sum is σ = 94802400. Its totient is φ = 25932400.

The previous prime is 57493001. The next prime is 57493019. The reversal of 57493018 is 81039475.

57493018 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (57493019) 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, 7093 + ... + 12856.

It is an arithmetic number, because the mean of its divisors is an integer number (5925150).

Almost surely, 2^57493018 is an apocalyptic number.

57493018 is a deficient number, since it is larger than the sum of its proper divisors (37309382).

57493018 is a wasteful number, since it uses less digits than its factorization.

57493018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20093.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 57493018 is about 7582.4150506287. The cubic root of 57493018 is about 385.9565084739.

The spelling of 57493018 in words is "fifty-seven million, four hundred ninety-three thousand, eighteen".