42423552 has 54 divisors (see below), whose sum is σ = 122324202. Its totient is φ = 14140416.

The previous prime is 42423539. The next prime is 42423559. The reversal of 42423552 is 25532424.

It is a happy number.

42423552 is a `hidden beast` number, since 424 + 235 + 5 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 32080896 + 10342656 = 5664^2 + 3216^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42423559) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6903 + ... + 11510.

It is an arithmetic number, because the mean of its divisors is an integer number (2265263).

Almost surely, 2^42423552 is an apocalyptic number.

It is an amenable number.

42423552 is an abundant number, since it is smaller than the sum of its proper divisors (79900650).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42423552 is a wasteful number, since it uses less digits than its factorization.

42423552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18435 (or 18418 counting only the distinct ones).

The product of its digits is 9600, while the sum is 27.

The square root of 42423552 is about 6513.3364721930. The cubic root of 42423552 is about 348.7672331254.

Adding to 42423552 its reverse (25532424), we get a palindrome (67955976).

The spelling of 42423552 in words is "forty-two million, four hundred twenty-three thousand, five hundred fifty-two".