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55531393834112 = 27743612509761
BaseRepresentation
bin11001010000001011010010…
…00000001101110010000000
321021121202020022112010010022
430220011221000031302000
524234311243310142422
6314034434203553012
714461003464304040
oct1450055100156200
9237552208463108
1055531393834112
111676a806134299
12628a43352b768
1324ca7849ca1c1
14d9da3b7a7720
15664774166342
hex32816900dc80

55531393834112 has 384 divisors, whose sum is σ = 131960615529600. Its totient is φ = 22789715558400.

The previous prime is 55531393834061. The next prime is 55531393834117. The reversal of 55531393834112 is 21143839313555.

It is not an unprimeable number, because it can be changed into a prime (55531393834117) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 72971607812 + ... + 72971608572.

It is an arithmetic number, because the mean of its divisors is an integer number (343647436275).

Almost surely, 255531393834112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55531393834112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65980307764800).

55531393834112 is an abundant number, since it is smaller than the sum of its proper divisors (76429221695488).

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

55531393834112 is an equidigital number, since it uses as much as digits as its factorization.

55531393834112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1456 (or 1383 counting only the distinct ones).

The product of its digits is 5832000, while the sum is 53.

The spelling of 55531393834112 in words is "fifty-five trillion, five hundred thirty-one billion, three hundred ninety-three million, eight hundred thirty-four thousand, one hundred twelve".