57540146 has 8 divisors (see below), whose sum is σ = 86809644. Its totient is φ = 28603600.

The previous prime is 57540127. The next prime is 57540167. The reversal of 57540146 is 64104575.

It can be written as a sum of positive squares in 2 ways, for example, as 57532225 + 7921 = 7585^2 + 89^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 82805 + ... + 83496.

Almost surely, 2^57540146 is an apocalyptic number.

57540146 is a deficient number, since it is larger than the sum of its proper divisors (29269498).

57540146 is a wasteful number, since it uses less digits than its factorization.

57540146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166476.

The product of its (nonzero) digits is 16800, while the sum is 32.

The square root of 57540146 is about 7585.5221310072. The cubic root of 57540146 is about 386.0619380326.

The spelling of 57540146 in words is "fifty-seven million, five hundred forty thousand, one hundred forty-six".