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55255455255 = 35711213334547
BaseRepresentation
bin110011011101011110…
…110101011000010111
312021121211212221220210
4303131132311120113
51401130344032010
641214540100503
73664165422510
oct633536653027
9167554787823
1055255455255
112148529a400
12a860b34733
135297801070
1429626cba07
151685e5bb20
hexcdd7b5617

55255455255 has 96 divisors (see below), whose sum is σ = 119602248192. Its totient is φ = 21196834560.

The previous prime is 55255455253. The next prime is 55255455349.

55255455255 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55255455255 - 21 = 55255455253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55255455253) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 2109 + ... + 332438.

It is an arithmetic number, because the mean of its divisors is an integer number (1245856752).

Almost surely, 255255455255 is an apocalyptic number.

55255455255 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

55255455255 is an abundant number, since it is smaller than the sum of its proper divisors (64346792937).

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

55255455255 is a wasteful number, since it uses less digits than its factorization.

55255455255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334597 (or 334586 counting only the distinct ones).

The product of its digits is 6250000, while the sum is 48.

The spelling of 55255455255 in words is "fifty-five billion, two hundred fifty-five million, four hundred fifty-five thousand, two hundred fifty-five".

Divisors: 1 3 5 7 11 13 15 21 33 35 39 55 65 77 91 105 121 143 165 195 231 273 363 385 429 455 605 715 847 1001 1155 1365 1573 1815 2145 2541 3003 4235 4719 5005 7865 11011 12705 15015 23595 33033 55055 165165 334547 1003641 1672735 2341829 3680017 4349111 5018205 7025487 11040051 11709145 13047333 18400085 21745555 25760119 30443777 35127435 40480187 47840221 55200255 65236665 77280357 91331331 121440561 128800595 143520663 152218885 202400935 239201105 283361309 334881547 386401785 456656655 526242431 607202805 717603315 850083927 1004644641 1416806545 1578727293 1674407735 2631212155 3683697017 4250419635 5023223205 7893636465 11051091051 18418485085 55255455255