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55455288255455 = 51131611015279191
BaseRepresentation
bin11001001101111101100001…
…10000011110001111011111
321021100110210101110010212212
430212332300300132033133
524232034412243133310
6313535450245151035
714452340511460364
oct1446766060361737
9237313711403785
1055455288255455
111674050155a650
1262777339bb47b
1324c354666c01a
14d9a09bd3c46b
156627bca15205
hex326fb0c1e3df

55455288255455 has 64 divisors (see below), whose sum is σ = 76920445919232. Its totient is φ = 38010168000000.

The previous prime is 55455288255431. The next prime is 55455288255467.

It is a happy number.

55455288255455 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55455288255455 - 224 = 55455271478239 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7864910 + ... + 13144100.

It is an arithmetic number, because the mean of its divisors is an integer number (1201881967488).

Almost surely, 255455288255455 is an apocalyptic number.

55455288255455 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55455288255455 is a deficient number, since it is larger than the sum of its proper divisors (21465157663777).

55455288255455 is a wasteful number, since it uses less digits than its factorization.

55455288255455 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5279400.

The product of its digits is 1600000000, while the sum is 68.

The spelling of 55455288255455 in words is "fifty-five trillion, four hundred fifty-five billion, two hundred eighty-eight million, two hundred fifty-five thousand, four hundred fifty-five".

Divisors: 1 5 11 31 55 61 101 155 305 341 505 671 1111 1705 1891 3131 3355 5555 6161 9455 15655 20801 30805 34441 67771 104005 172205 190991 338855 954955 2100901 5279191 10504505 26395955 58071101 163654921 290355505 322030651 533198291 818274605 1610153255 1800204131 2665991455 3542337161 5865181201 9001020655 9982950181 16529147021 17711685805 29325906005 32525095751 49914750905 82645735105 109812451991 162625478755 181820617231 357776053261 549062259955 909103086155 1008277968281 1788880266305 5041389841405 11091057651091 55455288255455