42452555 has 16 divisors (see below), whose sum is σ = 54237600. Its totient is φ = 31806720.

The previous prime is 42452551. The next prime is 42452563. The reversal of 42452555 is 55525424.

42452555 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 42452555 - 2² = 42452551 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42452551) 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, 5945 + ... + 10965.

It is an arithmetic number, because the mean of its divisors is an integer number (3389850).

Almost surely, 2^42452555 is an apocalyptic number.

42452555 is a deficient number, since it is larger than the sum of its proper divisors (11785045).

42452555 is a wasteful number, since it uses less digits than its factorization.

42452555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5134.

The product of its digits is 40000, while the sum is 32.

The square root of 42452555 is about 6515.5625236813. The cubic root of 42452555 is about 348.8466936400.

Adding to 42452555 its reverse (55525424), we get a palindrome (97977979).

The spelling of 42452555 in words is "forty-two million, four hundred fifty-two thousand, five hundred fifty-five".