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550072270055 = 57211204108449
BaseRepresentation
bin10000000000100101101…
…11001011110011100111
31221120211111000120202002
420000102313023303213
533003022000120210
61100411045435515
754512206102100
oct10002267136347
91846744016662
10550072270055
111a2314502070
128a73610bb9b
133cb43b72639
141c8a33a73a7
15e496a014a5
hex8012dcbce7

550072270055 has 24 divisors (see below), whose sum is σ = 837661078800. Its totient is φ = 342902192640.

The previous prime is 550072270043. The next prime is 550072270057.

550072270055 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 550072270055 - 216 = 550072204519 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (550072270057) 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 23 ways as a sum of consecutive naturals, for example, 102051530 + ... + 102056919.

It is an arithmetic number, because the mean of its divisors is an integer number (34902544950).

Almost surely, 2550072270055 is an apocalyptic number.

550072270055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

550072270055 is a deficient number, since it is larger than the sum of its proper divisors (287588808745).

550072270055 is a wasteful number, since it uses less digits than its factorization.

550072270055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204108479 (or 204108472 counting only the distinct ones).

The product of its (nonzero) digits is 122500, while the sum is 38.

The spelling of 550072270055 in words is "five hundred fifty billion, seventy-two million, two hundred seventy thousand, fifty-five".

Divisors: 1 5 7 11 35 49 55 77 245 385 539 2695 204108449 1020542245 1428759143 2245192939 7143795715 10001314001 11225964695 15716350573 50006570005 78581752865 110014454011 550072270055