57442542 has 8 divisors (see below), whose sum is σ = 114885096. Its totient is φ = 19147512.

The previous prime is 57442531. The next prime is 57442543. The reversal of 57442542 is 24524475.

57442542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

57442542 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (57442543) 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 3 ways as a sum of consecutive naturals, for example, 4786873 + ... + 4786884.

It is an arithmetic number, because the mean of its divisors is an integer number (14360637).

Almost surely, 2^57442542 is an apocalyptic number.

57442542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57442542 is a wasteful number, since it uses less digits than its factorization.

57442542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9573762.

The product of its digits is 44800, while the sum is 33.

The square root of 57442542 is about 7579.0858287791. The cubic root of 57442542 is about 385.8435252198.

The spelling of 57442542 in words is "fifty-seven million, four hundred forty-two thousand, five hundred forty-two".