42575546 has 8 divisors (see below), whose sum is σ = 68775924. Its totient is φ = 19650240.

The previous prime is 42575543. The next prime is 42575551. The reversal of 42575546 is 64557524.

42575546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 42445225 + 130321 = 6515^2 + 361^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42575543) 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 3 ways as a sum of consecutive naturals, for example, 818735 + ... + 818786.

Almost surely, 2^42575546 is an apocalyptic number.

42575546 is a deficient number, since it is larger than the sum of its proper divisors (26200378).

42575546 is a wasteful number, since it uses less digits than its factorization.

42575546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637536.

The product of its digits is 168000, while the sum is 38.

The square root of 42575546 is about 6524.9939463573. The cubic root of 42575546 is about 349.1832547439.

The spelling of 42575546 in words is "forty-two million, five hundred seventy-five thousand, five hundred forty-six".