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55223102445200 = 24524313954742227
BaseRepresentation
bin11001000111001101000010…
…11001111001011010010000
321020112021110221212220000222
430203212201121321122100
524214233403211221300
6313241050521332212
714426510646605024
oct1443464131713220
9236467427786028
1055223102445200
1116660a93737868
12623a735337068
1324a7693184011
14d8cb533ca384
1565b72daee785
hex3239a1679690

55223102445200 has 240 divisors, whose sum is σ = 136988834653440. Its totient is φ = 21380652034560.

The previous prime is 55223102445179. The next prime is 55223102445223. The reversal of 55223102445200 is 254420132255.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1307746487 + ... + 1307788713.

It is an arithmetic number, because the mean of its divisors is an integer number (570786811056).

Almost surely, 255223102445200 is an apocalyptic number.

55223102445200 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55223102445200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68494417326720).

55223102445200 is an abundant number, since it is smaller than the sum of its proper divisors (81765732208240).

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

55223102445200 is a wasteful number, since it uses less digits than its factorization.

55223102445200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42974 (or 42963 counting only the distinct ones).

The product of its (nonzero) digits is 96000, while the sum is 35.

Adding to 55223102445200 its reverse (254420132255), we get a palindrome (55477522577455).

The spelling of 55223102445200 in words is "fifty-five trillion, two hundred twenty-three billion, one hundred two million, four hundred forty-five thousand, two hundred".