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54581083656 = 2331131708649
BaseRepresentation
bin110010110101010010…
…010011111000001000
312012212211221022222220
4302311102103320020
51343240224134111
641024010014040
73641366361531
oct626522237010
9165784838886
1054581083656
1121169665000
12a6b3117320
1351bab95c08
1428dad05688
151646b4ce06
hexcb5493e08

54581083656 has 64 divisors (see below), whose sum is σ = 150087816000. Its totient is φ = 16539712640.

The previous prime is 54581083649. The next prime is 54581083693. The reversal of 54581083656 is 65638018545.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 54581083599 and 54581083608.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 822381 + ... + 886268.

It is an arithmetic number, because the mean of its divisors is an integer number (2345122125).

Almost surely, 254581083656 is an apocalyptic number.

It is an amenable number.

54581083656 is an abundant number, since it is smaller than the sum of its proper divisors (95506732344).

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

54581083656 is a wasteful number, since it uses less digits than its factorization.

54581083656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1708691 (or 1708665 counting only the distinct ones).

The product of its (nonzero) digits is 3456000, while the sum is 51.

The spelling of 54581083656 in words is "fifty-four billion, five hundred eighty-one million, eighty-three thousand, six hundred fifty-six".

Divisors: 1 2 3 4 6 8 11 12 22 24 33 44 66 88 121 132 242 264 363 484 726 968 1331 1452 2662 2904 3993 5324 7986 10648 15972 31944 1708649 3417298 5125947 6834596 10251894 13669192 18795139 20503788 37590278 41007576 56385417 75180556 112770834 150361112 206746529 225541668 413493058 451083336 620239587 826986116 1240479174 1653972232 2274211819 2480958348 4548423638 4961916696 6822635457 9096847276 13645270914 18193694552 27290541828 54581083656