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55495109911 = 1631702919993
BaseRepresentation
bin110011101011110001…
…000010110100010111
312022020112211200022011
4303223301002310113
51402123222004121
641254420445051
74003135436233
oct635361026427
9168215750264
1055495109911
11215985a74aa
12a909249787
135305360957
1429864735c3
15169beea7e1
hexcebc42d17

55495109911 has 8 divisors (see below), whose sum is σ = 55841642480. Its totient is φ = 55148651712.

The previous prime is 55495109867. The next prime is 55495109953. The reversal of 55495109911 is 11990159455.

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 55495109911 - 29 = 55495109399 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55495179911) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2765731 + ... + 2785723.

It is an arithmetic number, because the mean of its divisors is an integer number (6980205310).

Almost surely, 255495109911 is an apocalyptic number.

55495109911 is a deficient number, since it is larger than the sum of its proper divisors (346532569).

55495109911 is a wasteful number, since it uses less digits than its factorization.

55495109911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37185.

The product of its (nonzero) digits is 364500, while the sum is 49.

The spelling of 55495109911 in words is "fifty-five billion, four hundred ninety-five million, one hundred nine thousand, nine hundred eleven".

Divisors: 1 163 17029 19993 2775727 3258859 340460797 55495109911