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55580055055 = 5710315417491
BaseRepresentation
bin110011110000110101…
…000101011000001111
312022110110200100010121
4303300311011120033
51402311443230210
641311053245411
74005216446560
oct636065053017
9168413610117
1055580055055
1121631545aa8
12a931793867
135319b32b55
142993866167
1516a46c96da
hexcf0d4560f

55580055055 has 16 divisors (see below), whose sum is σ = 76964120064. Its totient is φ = 37742015520.

The previous prime is 55580055053. The next prime is 55580055077. The reversal of 55580055055 is 55055008555.

It is a happy number.

55580055055 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55580055055 - 21 = 55580055053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55580055053) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7705141 + ... + 7712350.

It is an arithmetic number, because the mean of its divisors is an integer number (4810257504).

Almost surely, 255580055055 is an apocalyptic number.

55580055055 is a deficient number, since it is larger than the sum of its proper divisors (21384065009).

55580055055 is a wasteful number, since it uses less digits than its factorization.

55580055055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15417606.

The product of its (nonzero) digits is 625000, while the sum is 43.

The spelling of 55580055055 in words is "fifty-five billion, five hundred eighty million, fifty-five thousand, fifty-five".

Divisors: 1 5 7 35 103 515 721 3605 15417491 77087455 107922437 539612185 1588001573 7940007865 11116011011 55580055055