55422242 has 8 divisors (see below), whose sum is σ = 85161132. Its totient is φ = 27035200.

The previous prime is 55422239. The next prime is 55422251. The reversal of 55422242 is 24222455.

55422242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 55338721 + 83521 = 7439^2 + 289^2 .

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

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 337859 + ... + 338022.

Almost surely, 2^55422242 is an apocalyptic number.

55422242 is a deficient number, since it is larger than the sum of its proper divisors (29738890).

55422242 is a wasteful number, since it uses less digits than its factorization.

55422242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675924.

The product of its digits is 6400, while the sum is 26.

The square root of 55422242 is about 7444.6116084051. The cubic root of 55422242 is about 381.2659578737.

Adding to 55422242 its reverse (24222455), we get a palindrome (79644697).

The spelling of 55422242 in words is "fifty-five million, four hundred twenty-two thousand, two hundred forty-two".