55252122122 has 4 divisors (see below), whose sum is σ = 82878183186. Its totient is φ = 27626061060.

The previous prime is 55252122097. The next prime is 55252122137. The reversal of 55252122122 is 22122125255.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 43956896281 + 11295225841 = 209659^2 + 106279^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13813030529 + ... + 13813030532.

Almost surely, 2^55252122122 is an apocalyptic number.

55252122122 is a deficient number, since it is larger than the sum of its proper divisors (27626061064).

55252122122 is a wasteful number, since it uses less digits than its factorization.

55252122122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27626061063.

The product of its digits is 8000, while the sum is 29.

Adding to 55252122122 its reverse (22122125255), we get a palindrome (77374247377).

The spelling of 55252122122 in words is "fifty-five billion, two hundred fifty-two million, one hundred twenty-two thousand, one hundred twenty-two".