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55223454237952 = 2871113229718397
BaseRepresentation
bin11001000111001101101100…
…10111111000010100000000
321020112022101110211210222011
430203212312113320110000
524214240113241103302
6313241145445422304
714426522451026620
oct1443466627702400
9236468343753864
1055223454237952
1116661154276980
12623a81310a994
1324a771b017200
14d8cb88002880
1565b74e93e5d7
hex3239b65f8500

55223454237952 has 1728 divisors, whose sum is σ = 159625523957760. Its totient is φ = 18485320089600.

The previous prime is 55223454237929. The next prime is 55223454237967. The reversal of 55223454237952 is 25973245432255.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 569313961168 + ... + 569313961264.

It is an arithmetic number, because the mean of its divisors is an integer number (92375881920).

Almost surely, 255223454237952 is an apocalyptic number.

55223454237952 is a gapful number since it is divisible by the number (52) 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 55223454237952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79812761978880).

55223454237952 is an abundant number, since it is smaller than the sum of its proper divisors (104402069719808).

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

55223454237952 is a wasteful number, since it uses less digits than its factorization.

55223454237952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 340 (or 313 counting only the distinct ones).

The product of its digits is 90720000, while the sum is 58.

The spelling of 55223454237952 in words is "fifty-five trillion, two hundred twenty-three billion, four hundred fifty-four million, two hundred thirty-seven thousand, nine hundred fifty-two".