55224355212 has 36 divisors (see below), whose sum is σ = 150332968240. Its totient is φ = 16992109152.

The previous prime is 55224355189. The next prime is 55224355253. The reversal of 55224355212 is 21255342255.

55224355212 is a `hidden beast` number, since 5 + 5 + 2 + 2 + 435 + 5 + 212 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 in 11 ways as a sum of consecutive naturals, for example, 58999912 + ... + 59000847.

Almost surely, 2^55224355212 is an apocalyptic number.

55224355212 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

55224355212 is an abundant number, since it is smaller than the sum of its proper divisors (95108613028).

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

55224355212 is a wasteful number, since it uses less digits than its factorization.

55224355212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118000782 (or 118000777 counting only the distinct ones).

The product of its digits is 120000, while the sum is 36.

Adding to 55224355212 its reverse (21255342255), we get a palindrome (76479697467).

The spelling of 55224355212 in words is "fifty-five billion, two hundred twenty-four million, three hundred fifty-five thousand, two hundred twelve".