42542050 has 48 divisors (see below), whose sum is σ = 82887552. Its totient is φ = 16228800.

The previous prime is 42542047. The next prime is 42542063. The reversal of 42542050 is 5024524.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 100840 + ... + 101260.

It is an arithmetic number, because the mean of its divisors is an integer number (1726824).

Almost surely, 2^42542050 is an apocalyptic number.

42542050 is a deficient number, since it is larger than the sum of its proper divisors (40345502).

42542050 is a wasteful number, since it uses less digits than its factorization.

42542050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 523 (or 518 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 22.

The square root of 42542050 is about 6522.4266956402. The cubic root of 42542050 is about 349.0916582599.

Adding to 42542050 its reverse (5024524), we get a palindrome (47566574).

The spelling of 42542050 in words is "forty-two million, five hundred forty-two thousand, fifty".