42552249 has 8 divisors (see below), whose sum is σ = 57943680. Its totient is φ = 27764496.

The previous prime is 42552247. The next prime is 42552271. The reversal of 42552249 is 94225524.

42552249 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 42552249 - 2¹ = 42552247 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42552247) 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 7 ways as a sum of consecutive naturals, for example, 150754 + ... + 151035.

It is an arithmetic number, because the mean of its divisors is an integer number (7242960).

Almost surely, 2^42552249 is an apocalyptic number.

It is an amenable number.

42552249 is a deficient number, since it is larger than the sum of its proper divisors (15391431).

42552249 is a wasteful number, since it uses less digits than its factorization.

42552249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 301839.

The product of its digits is 28800, while the sum is 33.

The square root of 42552249 is about 6523.2084896928. The cubic root of 42552249 is about 349.1195530239.

The spelling of 42552249 in words is "forty-two million, five hundred fifty-two thousand, two hundred forty-nine".