55220016210 has 64 divisors (see below), whose sum is σ = 143058804480. Its totient is φ = 13599407360.

The previous prime is 55220016169. The next prime is 55220016211. The reversal of 55220016210 is 1261002255.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (55220016211) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1359801 + ... + 1399820.

It is an arithmetic number, because the mean of its divisors is an integer number (2235293820).

Almost surely, 2^55220016210 is an apocalyptic number.

55220016210 is an abundant number, since it is smaller than the sum of its proper divisors (87838788270).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55220016210 is a wasteful number, since it uses less digits than its factorization.

55220016210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2759683.

The product of its (nonzero) digits is 1200, while the sum is 24.

Adding to 55220016210 its reverse (1261002255), we get a palindrome (56481018465).

The spelling of 55220016210 in words is "fifty-five billion, two hundred twenty million, sixteen thousand, two hundred ten".