57058242 has 16 divisors (see below), whose sum is σ = 114190560. Its totient is φ = 19007072.

The previous prime is 57058223. The next prime is 57058247. The reversal of 57058242 is 24285075.

57058242 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 (57058247) 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, 16213 + ... + 19415.

It is an arithmetic number, because the mean of its divisors is an integer number (7136910).

Almost surely, 2^57058242 is an apocalyptic number.

57058242 is an abundant number, since it is smaller than the sum of its proper divisors (57132318).

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

57058242 is a wasteful number, since it uses less digits than its factorization.

57058242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6177.

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

The square root of 57058242 is about 7553.6906211467. The cubic root of 57058242 is about 384.9811471063.

The spelling of 57058242 in words is "fifty-seven million, fifty-eight thousand, two hundred forty-two".