42575553 has 24 divisors (see below), whose sum is σ = 64920960. Its totient is φ = 26832960.

The previous prime is 42575551. The next prime is 42575573. The reversal of 42575553 is 35557524.

It is not a de Polignac number, because 42575553 - 2¹ = 42575551 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42575551) by changing a digit.

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, 17268 + ... + 19578.

It is an arithmetic number, because the mean of its divisors is an integer number (2705040).

Almost surely, 2^42575553 is an apocalyptic number.

It is an amenable number.

42575553 is a deficient number, since it is larger than the sum of its proper divisors (22345407).

42575553 is a wasteful number, since it uses less digits than its factorization.

42575553 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2429 (or 2426 counting only the distinct ones).

The product of its digits is 105000, while the sum is 36.

The square root of 42575553 is about 6524.9944827563. The cubic root of 42575553 is about 349.1832738807.

The spelling of 42575553 in words is "forty-two million, five hundred seventy-five thousand, five hundred fifty-three".