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55055055005545 = 5717293190672559
BaseRepresentation
bin11001000010010100000001…
…11111110010011101101001
321012221012201102222110011111
430201022000333302131221
524204010223040134140
6313031535413430321
714411411405126440
oct1441120077623551
9235835642873144
1055055055005545
11165a67992a5131
12621205663b3a1
1324948919043aa
14d84970bbdd57
156571958e57ea
hex321280ff2769

55055055005545 has 32 divisors (see below), whose sum is σ = 82702232755200. Its totient is φ = 34306111343616.

The previous prime is 55055055005543. The next prime is 55055055005627. The reversal of 55055055005545 is 54550055055055.

It is not a de Polignac number, because 55055055005545 - 21 = 55055055005543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (55055055005543) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1595319025 + ... + 1595353534.

It is an arithmetic number, because the mean of its divisors is an integer number (2584444773600).

Almost surely, 255055055005545 is an apocalyptic number.

It is an amenable number.

55055055005545 is a deficient number, since it is larger than the sum of its proper divisors (27647177749655).

55055055005545 is a wasteful number, since it uses less digits than its factorization.

55055055005545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3190672617.

The product of its (nonzero) digits is 7812500, while the sum is 49.

The spelling of 55055055005545 in words is "fifty-five trillion, fifty-five billion, fifty-five million, five thousand, five hundred forty-five".

Divisors: 1 5 7 17 29 35 85 119 145 203 493 595 1015 2465 3451 17255 3190672559 15953362795 22334707913 54241433503 92529504211 111673539565 271207167515 379690034521 462647521055 647706529477 1573001571587 1898450172605 3238532647385 7865007857935 11011011001109 55055055005545