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55796178687360 = 2735172137733981
BaseRepresentation
bin11001010111111000011110…
…11010010001010110000000
321022120001200121221100001220
430223330033122101112000
524303131033220443420
6314400224410155040
714516066215362156
oct1453741732212600
9238501617840056
1055796178687360
11168620322a1621
12631180b422a80
132519731b76767
14dac7999d73d6
1566b5bee47840
hex32bf0f691580

55796178687360 has 384 divisors, whose sum is σ = 190306794241440. Its totient is φ = 13901510737920.

The previous prime is 55796178687331. The next prime is 55796178687401. The reversal of 55796178687360 is 6378687169755.

It is a tau number, because it is divible by the number of its divisors (384).

It is a super-2 number, since 2×557961786873602 (a number of 28 digits) contains 22 as substring.

It is a congruent 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, 75651570 + ... + 76385550.

Almost surely, 255796178687360 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 55796178687360, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95153397120720).

55796178687360 is an abundant number, since it is smaller than the sum of its proper divisors (134510615554080).

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

55796178687360 is a wasteful number, since it uses less digits than its factorization.

55796178687360 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 734174 (or 734145 counting only the distinct ones).

The product of its (nonzero) digits is 3200601600, while the sum is 78.

The spelling of 55796178687360 in words is "fifty-five trillion, seven hundred ninety-six billion, one hundred seventy-eight million, six hundred eighty-seven thousand, three hundred sixty".