42553533425 has 24 divisors (see below), whose sum is σ = 60168008376. Its totient is φ = 29575664640.

The previous prime is 42553533383. The next prime is 42553533431. The reversal of 42553533425 is 52433535524.

It is a happy number.

It can be written as a sum of positive squares in 12 ways, for example, as 8762270449 + 33791262976 = 93607^2 + 183824^2 .

It is not a de Polignac number, because 42553533425 - 2¹⁰ = 42553532401 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3845474 + ... + 3856523.

It is an arithmetic number, because the mean of its divisors is an integer number (2507000349).

Almost surely, 2^42553533425 is an apocalyptic number.

It is an amenable number.

42553533425 is a deficient number, since it is larger than the sum of its proper divisors (17614474951).

42553533425 is a wasteful number, since it uses less digits than its factorization.

42553533425 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7702037 (or 7702032 counting only the distinct ones).

The product of its digits is 1080000, while the sum is 41.

The spelling of 42553533425 in words is "forty-two billion, five hundred fifty-three million, five hundred thirty-three thousand, four hundred twenty-five".