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55885058855 = 5297127719597
BaseRepresentation
bin110100000011000000…
…100101001100100111
312100020201121010200122
4310003000211030213
51403423033340410
641401230432155
74015612106513
oct640300451447
9170221533618
1055885058855
112177872795a
12a9b796265b
135368093382
1429c217d143
1516c1375e55
hexd03025327

55885058855 has 32 divisors (see below), whose sum is σ = 70609242240. Its totient is φ = 42402608640.

The previous prime is 55885058849. The next prime is 55885058863.

55885058855 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55885058855 - 24 = 55885058839 is a prime.

It is a super-2 number, since 2×558850588552 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2841917 + ... + 2861513.

It is an arithmetic number, because the mean of its divisors is an integer number (2206538820).

Almost surely, 255885058855 is an apocalyptic number.

55885058855 is a deficient number, since it is larger than the sum of its proper divisors (14724183385).

55885058855 is a wasteful number, since it uses less digits than its factorization.

55885058855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19979.

The product of its (nonzero) digits is 64000000, while the sum is 62.

The spelling of 55885058855 in words is "fifty-five billion, eight hundred eighty-five million, fifty-eight thousand, eight hundred fifty-five".

Divisors: 1 5 29 71 145 277 355 1385 2059 8033 10295 19597 19667 40165 97985 98335 568313 570343 1391387 2841565 2851715 5428369 6956935 27141845 40350223 157422701 201751115 385414199 787113505 1927070995 11177011771 55885058855