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55441550080 = 285719325667
BaseRepresentation
bin110011101000100100…
…101110101100000000
312022002211001120000201
4303220210232230000
51402021014100310
641245224454544
74001615254150
oct635044565400
9168084046021
1055441550080
1121570345184
12a8b331a454
1352c722a147
14297d2d0760
15169746ae3a
hexce892eb00

55441550080 has 144 divisors (see below), whose sum is σ = 159759694080. Its totient is φ = 18008027136.

The previous prime is 55441550077. The next prime is 55441550083. The reversal of 55441550080 is 8005514455.

It is an interprime number because it is at equal distance from previous prime (55441550077) and next prime (55441550083).

It is not an unprimeable number, because it can be changed into a prime (55441550083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7407 + ... + 333073.

It is an arithmetic number, because the mean of its divisors is an integer number (1109442320).

Almost surely, 255441550080 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 55441550080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (79879847040).

55441550080 is an abundant number, since it is smaller than the sum of its proper divisors (104318144000).

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

55441550080 is a wasteful number, since it uses less digits than its factorization.

55441550080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325714 (or 325700 counting only the distinct ones).

The product of its (nonzero) digits is 80000, while the sum is 37.

The spelling of 55441550080 in words is "fifty-five billion, four hundred forty-one million, five hundred fifty thousand, eighty".

Divisors: 1 2 4 5 7 8 10 14 16 19 20 28 32 35 38 40 56 64 70 76 80 95 112 128 133 140 152 160 190 224 256 266 280 304 320 380 448 532 560 608 640 665 760 896 1064 1120 1216 1280 1330 1520 1792 2128 2240 2432 2660 3040 4256 4480 4864 5320 6080 8512 8960 10640 12160 17024 21280 24320 34048 42560 85120 170240 325667 651334 1302668 1628335 2279669 2605336 3256670 4559338 5210672 6187673 6513340 9118676 10421344 11398345 12375346 13026680 18237352 20842688 22796690 24750692 26053360 30938365 36474704 41685376 43313711 45593380 49501384 52106720 61876730 72949408 83370752 86627422 91186760 99002768 104213440 123753460 145898816 173254844 182373520 198005536 208426880 216568555 247506920 291797632 346509688 364747040 396011072 416853760 433137110 495013840 583595264 693019376 729494080 792022144 866274220 990027680 1386038752 1458988160 1584044288 1732548440 1980055360 2772077504 2917976320 3465096880 3960110720 5544155008 6930193760 7920221440 11088310016 13860387520 27720775040 55441550080