42530544 has 60 divisors (see below), whose sum is σ = 136033456. Its totient is φ = 12151296.

The previous prime is 42530533. The next prime is 42530557. The reversal of 42530544 is 44503524.

42530544 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 11.

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 11 ways as a sum of consecutive naturals, for example, 20089 + ... + 22104.

Almost surely, 2^42530544 is an apocalyptic number.

It is an amenable number.

42530544 is an abundant number, since it is smaller than the sum of its proper divisors (93502912).

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

42530544 is a wasteful number, since it uses less digits than its factorization.

42530544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42214 (or 42205 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 42530544 is about 6521.5446023162. The cubic root of 42530544 is about 349.0601834345.

The spelling of 42530544 in words is "forty-two million, five hundred thirty thousand, five hundred forty-four".