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55500005055 = 3511336363667
BaseRepresentation
bin110011101100000011…
…101101111010111111
312022020220001101011210
4303230003231322333
51402131000130210
641255113415503
74003225154625
oct635403557277
9168226041153
1055500005055
11215a0340280
12a90aa0a593
135306385aa1
142986d89515
15169c665e20
hexcec0edebf

55500005055 has 16 divisors (see below), whose sum is σ = 96872736384. Its totient is φ = 26909093280.

The previous prime is 55500005053. The next prime is 55500005059. The reversal of 55500005055 is 55050000555.

It is not a de Polignac number, because 55500005055 - 21 = 55500005053 is a prime.

It is a super-2 number, since 2×555000050552 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55500005053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168181669 + ... + 168181998.

It is an arithmetic number, because the mean of its divisors is an integer number (6054546024).

Almost surely, 255500005055 is an apocalyptic number.

55500005055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55500005055 is a deficient number, since it is larger than the sum of its proper divisors (41372731329).

55500005055 is a wasteful number, since it uses less digits than its factorization.

55500005055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 336363686.

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 55500005055 in words is "fifty-five billion, five hundred million, five thousand, fifty-five".

Divisors: 1 3 5 11 15 33 55 165 336363667 1009091001 1681818335 3700000337 5045455005 11100001011 18500001685 55500005055