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55788832028160 = 2933571145722937
BaseRepresentation
bin11001010111101010110011…
…00000111111011000000000
321022112100201121220101021000
430223311121200333120000
524303021011444400120
6314353011405532000
714515416156661530
oct1453653140773000
9238470647811230
1055788832028160
1116859a022a4850
1263102bab74000
132518b30ab713a
14dac29dddd4c0
1566b2deea4990
hex32bd5983f600

55788832028160 has 1280 divisors, whose sum is σ = 247616245831680. Its totient is φ = 11566613790720.

The previous prime is 55788832028141. The next prime is 55788832028173. The reversal of 55788832028160 is 6182023888755.

It is a happy number.

55788832028160 is a `hidden beast` number, since 5 + 5 + 78 + 88 + 320 + 2 + 8 + 160 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

It is a super-2 number, since 2×557888320281602 (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 2432252212 + ... + 2432275148.

It is an arithmetic number, because the mean of its divisors is an integer number (193450192056).

Almost surely, 255788832028160 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 55788832028160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123808122915840).

55788832028160 is an abundant number, since it is smaller than the sum of its proper divisors (191827413803520).

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

55788832028160 is a wasteful number, since it uses less digits than its factorization.

55788832028160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23444 (or 23422 counting only the distinct ones).

The product of its (nonzero) digits is 51609600, while the sum is 63.

The spelling of 55788832028160 in words is "fifty-five trillion, seven hundred eighty-eight billion, eight hundred thirty-two million, twenty-eight thousand, one hundred sixty".