42555286 has 4 divisors (see below), whose sum is σ = 63832932. Its totient is φ = 21277642.

The previous prime is 42555283. The next prime is 42555329. The reversal of 42555286 is 68255524.

42555286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42555283) 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 as a sum of consecutive naturals, namely, 10638820 + ... + 10638823.

It is an arithmetic number, because the mean of its divisors is an integer number (15958233).

Almost surely, 2^42555286 is an apocalyptic number.

42555286 is a deficient number, since it is larger than the sum of its proper divisors (21277646).

42555286 is a wasteful number, since it uses less digits than its factorization.

42555286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21277645.

The product of its digits is 96000, while the sum is 37.

The square root of 42555286 is about 6523.4412697594. The cubic root of 42555286 is about 349.1278585063.

The spelling of 42555286 in words is "forty-two million, five hundred fifty-five thousand, two hundred eighty-six".