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55505610511105 = 560998918198889
BaseRepresentation
bin11001001111011011010000…
…01100101001001100000001
321021112021200102122121011011
430213231220030221030001
524233400442242323410
6314014531521520521
714456101525545106
oct1447555014511401
9237467612577134
1055505610511105
111675a885118087
1262854387a3141
1324c82060cc861
14d9c6b3396aad
15663c6581318a
hex327b68329301

55505610511105 has 8 divisors (see below), whose sum is σ = 66606845466600. Its totient is φ = 44404413173376.

The previous prime is 55505610511069. The next prime is 55505610511111. The reversal of 55505610511105 is 50111501650555.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 717768172944 + 54787842338161 = 847212^2 + 7401881^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55505610511105 - 213 = 55505610502913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6049500 + ... + 12149389.

It is an arithmetic number, because the mean of its divisors is an integer number (8325855683325).

Almost surely, 255505610511105 is an apocalyptic number.

It is an amenable number.

55505610511105 is a deficient number, since it is larger than the sum of its proper divisors (11101234955495).

55505610511105 is a wasteful number, since it uses less digits than its factorization.

55505610511105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18808883.

The product of its (nonzero) digits is 93750, while the sum is 40.

The spelling of 55505610511105 in words is "fifty-five trillion, five hundred five billion, six hundred ten million, five hundred eleven thousand, one hundred five".

Divisors: 1 5 609989 3049945 18198889 90994445 11101122102221 55505610511105