57058642 has 4 divisors (see below), whose sum is σ = 85587966. Its totient is φ = 28529320.

The previous prime is 57058609. The next prime is 57058643. The reversal of 57058642 is 24685075.

It is a happy number.

57058642 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., 54745201 + 2313441 = 7399^2 + 1521^2 .

It is not an unprimeable number, because it can be changed into a prime (57058643) 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, 14264659 + ... + 14264662.

Almost surely, 2^57058642 is an apocalyptic number.

57058642 is a deficient number, since it is larger than the sum of its proper divisors (28529324).

57058642 is a wasteful number, since it uses less digits than its factorization.

57058642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28529323.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 57058642 is about 7553.7170982239. The cubic root of 57058642 is about 384.9820467256.

The spelling of 57058642 in words is "fifty-seven million, fifty-eight thousand, six hundred forty-two".