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55888888855 = 5193493711731
BaseRepresentation
bin110100000011001111…
…001100010000010111
312100020222210201110111
4310003033030100113
51403430023420410
641401444503451
74015656500632
oct640317142027
9170228721414
1055888888855
112177a903448
12a9b90aab87
135368b04747
1429c2898c19
1516c1880b8a
hexd033cc417

55888888855 has 16 divisors (see below), whose sum is σ = 67433565024. Its totient is φ = 44466647040.

The previous prime is 55888888837. The next prime is 55888888919.

55888888855 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55888888855 - 29 = 55888888343 is a prime.

It is a super-2 number, since 2×558888888552 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4758340 + ... + 4770070.

It is an arithmetic number, because the mean of its divisors is an integer number (4214597814).

Almost surely, 255888888855 is an apocalyptic number.

55888888855 is a deficient number, since it is larger than the sum of its proper divisors (11544676169).

55888888855 is a wasteful number, since it uses less digits than its factorization.

55888888855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16866.

The product of its digits is 1310720000, while the sum is 76.

The spelling of 55888888855 in words is "fifty-five billion, eight hundred eighty-eight million, eight hundred eighty-eight thousand, eight hundred fifty-five".

Divisors: 1 5 193 965 4937 11731 24685 58655 952841 2264083 4764205 11320415 57915947 289579735 11177777771 55888888855