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55308938356 = 22721087259603
BaseRepresentation
bin110011100000101010…
…110110110001110100
312021202120112011221101
4303200222312301310
51401233042011411
641224130255444
73665415135100
oct634052666164
9167676464841
1055308938356
11215024aa011
12a876a27584
1352a5908979
142969850900
15168a9c38c1
hexce0ab6c74

55308938356 has 36 divisors (see below), whose sum is σ = 112697211648. Its totient is φ = 23681932848.

The previous prime is 55308938353. The next prime is 55308938369. The reversal of 55308938356 is 65383980355.

55308938356 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 55308938297 and 55308938306.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55308938353) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 83251 + ... + 342853.

Almost surely, 255308938356 is an apocalyptic number.

It is an amenable number.

55308938356 is an abundant number, since it is smaller than the sum of its proper divisors (57388273292).

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

55308938356 is a wasteful number, since it uses less digits than its factorization.

55308938356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 260708 (or 260699 counting only the distinct ones).

The product of its (nonzero) digits is 11664000, while the sum is 55.

The spelling of 55308938356 in words is "fifty-five billion, three hundred eight million, nine hundred thirty-eight thousand, three hundred fifty-six".

Divisors: 1 2 4 7 14 28 49 98 196 1087 2174 4348 7609 15218 30436 53263 106526 213052 259603 519206 1038412 1817221 3634442 7268884 12720547 25441094 50882188 282188461 564376922 1128753844 1975319227 3950638454 7901276908 13827234589 27654469178 55308938356