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55000055555 = 561715925189
BaseRepresentation
bin110011001110010000…
…100011111100000011
312020222001022022101122
4303032100203330003
51400120003234210
641133334022455
73654644521124
oct631620437403
9166861268348
1055000055555
1121364108875
12a7ab4a7a2b
13525691a993
14293a80804b
15166d80cb55
hexcce423f03

55000055555 has 16 divisors (see below), whose sum is σ = 67094068800. Its totient is φ = 43270968960.

The previous prime is 55000055543. The next prime is 55000055609. The reversal of 55000055555 is 55555000055.

It is not a de Polignac number, because 55000055555 - 230 = 53926313731 is a prime.

It is a super-2 number, since 2×550000555552 (a number of 22 digits) contains 22 as substring.

It is a zygodrome in base 10.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2170901 + ... + 2196089.

It is an arithmetic number, because the mean of its divisors is an integer number (4193379300).

Almost surely, 255000055555 is an apocalyptic number.

55000055555 is a deficient number, since it is larger than the sum of its proper divisors (12094013245).

55000055555 is a wasteful number, since it uses less digits than its factorization.

55000055555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32414.

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

The spelling of 55000055555 in words is "fifty-five billion, fifty-five thousand, five hundred fifty-five".

Divisors: 1 5 61 305 7159 25189 35795 125945 436699 1536529 2183495 7682645 180328051 901640255 11000011111 55000055555