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55071766204 = 227213170912647
BaseRepresentation
bin110011010010100010…
…000111011010111100
312021011001020120220121
4303102202013122330
51400241333004304
641144415024324
73656505201100
oct632242073274
9167131216817
1055071766204
11213a0638074
12a80b50b0a4
135268738010
142946153900
151674c75554
hexcd28876bc

55071766204 has 72 divisors (see below), whose sum is σ = 120814454880. Its totient is φ = 21772162944.

The previous prime is 55071766201. The next prime is 55071766231. The reversal of 55071766204 is 40266717055.

55071766204 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55071766201) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4348209 + ... + 4360855.

It is an arithmetic number, because the mean of its divisors is an integer number (1677978540).

Almost surely, 255071766204 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55071766204, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60407227440).

55071766204 is an abundant number, since it is smaller than the sum of its proper divisors (65742688676).

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

55071766204 is a wasteful number, since it uses less digits than its factorization.

55071766204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14387 (or 14378 counting only the distinct ones).

The product of its (nonzero) digits is 352800, while the sum is 43.

The spelling of 55071766204 in words is "fifty-five billion, seventy-one million, seven hundred sixty-six thousand, two hundred four".

Divisors: 1 2 4 7 13 14 26 28 49 52 91 98 182 196 364 637 1274 1709 2548 3418 6836 11963 12647 22217 23926 25294 44434 47852 50588 83741 88529 88868 155519 164411 167482 177058 311038 328822 334964 354116 619703 622076 657644 1088633 1150877 1239406 2177266 2301754 2478812 4354532 4603508 8056139 16112278 21613723 32224556 43227446 86454892 151296061 280978399 302592122 561956798 605184244 1059072427 1123913596 1966848793 2118144854 3933697586 4236289708 7867395172 13767941551 27535883102 55071766204