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55000555069 = 671261965053
BaseRepresentation
bin110011001110010010…
…011101111000111101
312020222002020200121011
4303032102131320331
51400120120230234
641133352435221
73654652001335
oct631622357075
9166862220534
1055000555069
112136441a099
12a7ab6a8b11
135256a64155
14293a8d80c5
15166d8aab64
hexcce49de3d

55000555069 has 8 divisors (see below), whose sum is σ = 55826740640. Its totient is φ = 54174524976.

The previous prime is 55000555031. The next prime is 55000555081. The reversal of 55000555069 is 96055500055.

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 55000555069 - 27 = 55000554941 is a prime.

It is a super-2 number, since 2×550005550692 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000555009) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812947 + ... + 877999.

It is an arithmetic number, because the mean of its divisors is an integer number (6978342580).

Almost surely, 255000555069 is an apocalyptic number.

It is an amenable number.

55000555069 is a deficient number, since it is larger than the sum of its proper divisors (826185571).

55000555069 is a wasteful number, since it uses less digits than its factorization.

55000555069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77739.

The product of its (nonzero) digits is 168750, while the sum is 40.

The spelling of 55000555069 in words is "fifty-five billion, five hundred fifty-five thousand, sixty-nine".

Divisors: 1 67 12619 65053 845473 4358551 820903807 55000555069