42554685 has 16 divisors (see below), whose sum is σ = 68169024. Its totient is φ = 22668672.

The previous prime is 42554683. The next prime is 42554717. The reversal of 42554685 is 58645524.

42554685 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 42554685 - 2¹ = 42554683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42554683) 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 15 ways as a sum of consecutive naturals, for example, 21289 + ... + 23201.

It is an arithmetic number, because the mean of its divisors is an integer number (4260564).

Almost surely, 2^42554685 is an apocalyptic number.

It is an amenable number.

42554685 is a deficient number, since it is larger than the sum of its proper divisors (25614339).

42554685 is a wasteful number, since it uses less digits than its factorization.

42554685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3404.

The product of its digits is 192000, while the sum is 39.

The square root of 42554685 is about 6523.3952049527. The cubic root of 42554685 is about 349.1262149437.

The spelling of 42554685 in words is "forty-two million, five hundred fifty-four thousand, six hundred eighty-five".