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55105556055 = 3511333973067
BaseRepresentation
bin110011010100100011…
…000000111001010111
312021020101211021212120
4303110203000321113
51400324010243210
641152023151023
73660365332554
oct632443007127
9167211737776
1055105556055
1121408716970
12a81a8a5473
135272739004
14294a82ba2b
151677bec270
hexcd48c0e57

55105556055 has 16 divisors (see below), whose sum is σ = 96184243584. Its totient is φ = 26717845280.

The previous prime is 55105556053. The next prime is 55105556057. The reversal of 55105556055 is 55065550155.

It is an interprime number because it is at equal distance from previous prime (55105556053) and next prime (55105556057).

It is not a de Polignac number, because 55105556055 - 21 = 55105556053 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 55105555998 and 55105556016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55105556053) by changing a digit.

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, 166986369 + ... + 166986698.

It is an arithmetic number, because the mean of its divisors is an integer number (6011515224).

Almost surely, 255105556055 is an apocalyptic number.

55105556055 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55105556055 is a deficient number, since it is larger than the sum of its proper divisors (41078687529).

55105556055 is a wasteful number, since it uses less digits than its factorization.

55105556055 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333973086.

The product of its (nonzero) digits is 468750, while the sum is 42.

The spelling of 55105556055 in words is "fifty-five billion, one hundred five million, five hundred fifty-six thousand, fifty-five".

Divisors: 1 3 5 11 15 33 55 165 333973067 1001919201 1669865335 3673703737 5009596005 11021111211 18368518685 55105556055