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55651005468 = 22321545861263
BaseRepresentation
bin110011110101000011…
…101111010000011100
312022122102011222210200
4303311003233100130
51402433124133333
641322110103500
74010040512232
oct636503572034
9168572158720
1055651005468
11216685a6103
12a9514aab90
13532b745146
14299d054952
1516aaa41c13
hexcf50ef41c

55651005468 has 18 divisors (see below), whose sum is σ = 140673375024. Its totient is φ = 18550335144.

The previous prime is 55651005467. The next prime is 55651005521. The reversal of 55651005468 is 86450015655.

55651005468 is a `hidden beast` number, since 5 + 56 + 51 + 0 + 0 + 546 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55651005467) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 772930596 + ... + 772930667.

Almost surely, 255651005468 is an apocalyptic number.

It is an amenable number.

55651005468 is an abundant number, since it is smaller than the sum of its proper divisors (85022369556).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55651005468 is a wasteful number, since it uses less digits than its factorization.

55651005468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1545861273 (or 1545861268 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 55651005468 in words is "fifty-five billion, six hundred fifty-one million, five thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 9 12 18 36 1545861263 3091722526 4637583789 6183445052 9275167578 13912751367 18550335156 27825502734 55651005468