57042258 has 32 divisors (see below), whose sum is σ = 140413056. Its totient is φ = 15043968.

The previous prime is 57042253. The next prime is 57042269. The reversal of 57042258 is 85224075.

57042258 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (57042253) 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 15 ways as a sum of consecutive naturals, for example, 51691 + ... + 52782.

It is an arithmetic number, because the mean of its divisors is an integer number (4387908).

Almost surely, 2^57042258 is an apocalyptic number.

57042258 is an abundant number, since it is smaller than the sum of its proper divisors (83370798).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

57042258 is a wasteful number, since it uses less digits than its factorization.

57042258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104498.

The product of its (nonzero) digits is 22400, while the sum is 33.

The square root of 57042258 is about 7552.6325211809. The cubic root of 57042258 is about 384.9451948749.

The spelling of 57042258 in words is "fifty-seven million, forty-two thousand, two hundred fifty-eight".