42553285 has 16 divisors (see below), whose sum is σ = 52581312. Its totient is φ = 33040000.

The previous prime is 42553279. The next prime is 42553307. The reversal of 42553285 is 58235524.

42553285 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 42553285 - 2⁷ = 42553157 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 42553285.

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 15 ways as a sum of consecutive naturals, for example, 51042 + ... + 51868.

It is an arithmetic number, because the mean of its divisors is an integer number (3286332).

Almost surely, 2^42553285 is an apocalyptic number.

It is an amenable number.

42553285 is a deficient number, since it is larger than the sum of its proper divisors (10028027).

42553285 is a wasteful number, since it uses less digits than its factorization.

42553285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1124.

The product of its digits is 48000, while the sum is 34.

The square root of 42553285 is about 6523.2878979852. The cubic root of 42553285 is about 349.1223862852.

The spelling of 42553285 in words is "forty-two million, five hundred fifty-three thousand, two hundred eighty-five".