55712122 has 8 divisors (see below), whose sum is σ = 83836116. Its totient is φ = 27766752.

The previous prime is 55712119. The next prime is 55712159. The reversal of 55712122 is 22121755.

55712122 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 53275401 + 2436721 = 7299^2 + 1561^2 .

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, 43873 + ... + 45124.

Almost surely, 2^55712122 is an apocalyptic number.

55712122 is a deficient number, since it is larger than the sum of its proper divisors (28123994).

55712122 is a wasteful number, since it uses less digits than its factorization.

55712122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89312.

The product of its digits is 1400, while the sum is 25.

The square root of 55712122 is about 7464.0553320564. The cubic root of 55712122 is about 381.9295256631.

Adding to 55712122 its reverse (22121755), we get a palindrome (77833877).

The spelling of 55712122 in words is "fifty-five million, seven hundred twelve thousand, one hundred twenty-two".