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55000555055 = 571154931141
BaseRepresentation
bin110011001110010010…
…011101111000101111
312020222002020200120122
4303032102131320233
51400120120230210
641133352435155
73654652001315
oct631622357057
9166862220518
1055000555055
112136441a086
12a7ab6a8abb
135256a64144
14293a8d80b5
15166d8aab55
hexcce49de2f

55000555055 has 8 divisors (see below), whose sum is σ = 66930253344. Its totient is φ = 43380719200.

The previous prime is 55000555031. The next prime is 55000555081. The reversal of 55000555055 is 55055500055.

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

It is not a de Polignac number, because 55000555055 - 28 = 55000554799 is a prime.

It is a super-2 number, since 2×550005550552 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

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, 77465216 + ... + 77465925.

It is an arithmetic number, because the mean of its divisors is an integer number (8366281668).

Almost surely, 255000555055 is an apocalyptic number.

55000555055 is a deficient number, since it is larger than the sum of its proper divisors (11929698289).

55000555055 is a wasteful number, since it uses less digits than its factorization.

55000555055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154931217.

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55000555055 in words is "fifty-five billion, five hundred fifty-five thousand, fifty-five".

Divisors: 1 5 71 355 154931141 774655705 11000111011 55000555055