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55105555608 = 2333318229623
BaseRepresentation
bin110011010100100011…
…000000110010011000
312021020101211021021000
4303110203000302120
51400324010234413
641152023145000
73660365331345
oct632443006230
9167211737230
1055105555608
11214087165a4
12a81a8a5160
135272738a4c
14294a82b7cc
151677bec073
hexcd48c0c98

55105555608 has 64 divisors (see below), whose sum is σ = 158008780800. Its totient is φ = 17775983520.

The previous prime is 55105555601. The next prime is 55105555627. The reversal of 55105555608 is 80655550155.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55105555601) 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, 4108116 + ... + 4121507.

It is an arithmetic number, because the mean of its divisors is an integer number (2468887200).

Almost surely, 255105555608 is an apocalyptic number.

It is an amenable number.

55105555608 is an abundant number, since it is smaller than the sum of its proper divisors (102903225192).

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

55105555608 is a wasteful number, since it uses less digits than its factorization.

55105555608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8229669 (or 8229659 counting only the distinct ones).

The product of its (nonzero) digits is 750000, while the sum is 45.

The spelling of 55105555608 in words is "fifty-five billion, one hundred five million, five hundred fifty-five thousand, six hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 31 36 54 62 72 93 108 124 186 216 248 279 372 558 744 837 1116 1674 2232 3348 6696 8229623 16459246 24688869 32918492 49377738 65836984 74066607 98755476 148133214 197510952 222199821 255118313 296266428 444399642 510236626 592532856 765354939 888799284 1020473252 1530709878 1777598568 2040946504 2296064817 3061419756 4592129634 6122839512 6888194451 9184259268 13776388902 18368518536 27552777804 55105555608