55305354105122 has 16 divisors (see below), whose sum is σ = 90500687716032. Its totient is φ = 25138514719920.

The previous prime is 55305354105121. The next prime is 55305354105149. The reversal of 55305354105122 is 22150145350355.

It is a self number, because there is not a number n which added to its sum of digits gives 55305354105122.

It is not an unprimeable number, because it can be changed into a prime (55305354105121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12122198 + ... + 16048625.

It is an arithmetic number, because the mean of its divisors is an integer number (5656292982252).

Almost surely, 2^{55305354105122} is an apocalyptic number.

55305354105122 is a deficient number, since it is larger than the sum of its proper divisors (35195333610910).

55305354105122 is a wasteful number, since it uses less digits than its factorization.

55305354105122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28260073.

The product of its (nonzero) digits is 450000, while the sum is 41.

Adding to 55305354105122 its reverse (22150145350355), we get a palindrome (77455499455477).

The spelling of 55305354105122 in words is "fifty-five trillion, three hundred five billion, three hundred fifty-four million, one hundred five thousand, one hundred twenty-two".