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55098858497280 = 28351323247103431
BaseRepresentation
bin11001000011100101100111…
…11000110110010100000000
321020002101210011222101110020
430201302303320312110000
524210214430233403110
6313104022142333440
714414522035511433
oct1441626370662400
9236071704871406
1055098858497280
1116613327219874
12621a64028a280
132498a52974480
14d86b2858b81a
156583ab287d70
hex321cb3e36500

55098858497280 has 1728 divisors, whose sum is σ = 204759298179072. Its totient is φ = 12544639303680.

The previous prime is 55098858497237. The next prime is 55098858497299. The reversal of 55098858497280 is 8279485889055.

55098858497280 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (78).

It is a junction number, because it is equal to n+sod(n) for n = 55098858497196 and 55098858497205.

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, 127839578665 + ... + 127839579095.

It is an arithmetic number, because the mean of its divisors is an integer number (118494964224).

Almost surely, 255098858497280 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 55098858497280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (102379649089536).

55098858497280 is an abundant number, since it is smaller than the sum of its proper divisors (149660439681792).

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

55098858497280 is a wasteful number, since it uses less digits than its factorization.

55098858497280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 664 (or 627 counting only the distinct ones).

The product of its (nonzero) digits is 2322432000, while the sum is 78.

The spelling of 55098858497280 in words is "fifty-five trillion, ninety-eight billion, eight hundred fifty-eight million, four hundred ninety-seven thousand, two hundred eighty".