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55054873423872 = 21232723291013167
BaseRepresentation
bin11001000010010011101100…
…01011000111000000000000
321012221012020210022010221100
430201021312023013000000
524204004340044030442
6313031505405454400
714411404041533010
oct1441116613070000
9235835223263840
1055054873423872
11165a6705852133
126212005871400
1324948630c860a
14d84954a33c40
156571849c884c
hex3212762c7000

55054873423872 has 1248 divisors, whose sum is σ = 198192906362880. Its totient is φ = 14378847436800.

The previous prime is 55054873423861. The next prime is 55054873423919. The reversal of 55054873423872 is 27832437845055.

55054873423872 is a `hidden beast` number, since 5 + 5 + 0 + 54 + 87 + 3 + 423 + 87 + 2 = 666.

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 95 ways as a sum of consecutive naturals, for example, 17383918033 + ... + 17383921199.

It is an arithmetic number, because the mean of its divisors is an integer number (158808418560).

Almost surely, 255054873423872 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 55054873423872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99096453181440).

55054873423872 is an abundant number, since it is smaller than the sum of its proper divisors (143138032939008).

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

55054873423872 is a wasteful number, since it uses less digits than its factorization.

55054873423872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3357 (or 3332 counting only the distinct ones).

The product of its (nonzero) digits is 225792000, while the sum is 63.

The spelling of 55054873423872 in words is "fifty-five trillion, fifty-four billion, eight hundred seventy-three million, four hundred twenty-three thousand, eight hundred seventy-two".