42544587 has 8 divisors (see below), whose sum is σ = 58045504. Its totient is φ = 27703368.

The previous prime is 42544583. The next prime is 42544603. The reversal of 42544587 is 78544524.

42544587 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.

It is not a de Polignac number, because 42544587 - 2² = 42544583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42544583) 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, 164773 + ... + 165030.

It is an arithmetic number, because the mean of its divisors is an integer number (7255688).

Almost surely, 2^42544587 is an apocalyptic number.

42544587 is a deficient number, since it is larger than the sum of its proper divisors (15500917).

42544587 is a wasteful number, since it uses less digits than its factorization.

42544587 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 329849.

The product of its digits is 179200, while the sum is 39.

The square root of 42544587 is about 6522.6211755704. The cubic root of 42544587 is about 349.0985974955.

The spelling of 42544587 in words is "forty-two million, five hundred forty-four thousand, five hundred eighty-seven".