42542955 has 64 divisors (see below), whose sum is σ = 93112320. Its totient is φ = 17947008.

The previous prime is 42542947. The next prime is 42542963. The reversal of 42542955 is 55924524.

42542955 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (42542947) and next prime (42542963).

It is not a de Polignac number, because 42542955 - 2³ = 42542947 is a prime.

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 63 ways as a sum of consecutive naturals, for example, 10554 + ... + 14016.

It is an arithmetic number, because the mean of its divisors is an integer number (1454880).

Almost surely, 2^42542955 is an apocalyptic number.

42542955 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

42542955 is an abundant number, since it is smaller than the sum of its proper divisors (50569365).

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

42542955 is a wasteful number, since it uses less digits than its factorization.

42542955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3497 (or 3491 counting only the distinct ones).

The product of its digits is 72000, while the sum is 36.

The square root of 42542955 is about 6522.4960712905. The cubic root of 42542955 is about 349.0941336594.

The spelling of 42542955 in words is "forty-two million, five hundred forty-two thousand, nine hundred fifty-five".