42542558 has 16 divisors (see below), whose sum is σ = 67806720. Its totient is φ = 19961496.

The previous prime is 42542531. The next prime is 42542569. The reversal of 42542558 is 85524524.

42542558 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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, 1166 + ... + 9297.

It is an arithmetic number, because the mean of its divisors is an integer number (4237920).

Almost surely, 2^42542558 is an apocalyptic number.

42542558 is a deficient number, since it is larger than the sum of its proper divisors (25264162).

42542558 is a wasteful number, since it uses less digits than its factorization.

42542558 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10591.

The product of its digits is 64000, while the sum is 35.

The square root of 42542558 is about 6522.4656380850. The cubic root of 42542558 is about 349.0930477702.

The spelling of 42542558 in words is "forty-two million, five hundred forty-two thousand, five hundred fifty-eight".