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55106555655 = 3531711589181
BaseRepresentation
bin110011010100100110…
…110100111100000111
312021020110201002001210
4303110212310330013
51400324234240110
641152100422503
73660406665054
oct632446647407
9167213632053
1055106555655
1121409239988
12a81b0a7a33
1352729c8ca8
14294aa0c02b
151677d48520
hexcd49b4f07

55106555655 has 16 divisors (see below), whose sum is σ = 88448637024. Its totient is φ = 29297447040.

The previous prime is 55106555633. The next prime is 55106555671. The reversal of 55106555655 is 55655560155.

It is not a de Polignac number, because 55106555655 - 27 = 55106555527 is a prime.

It is a super-2 number, since 2×551065556552 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5789836 + ... + 5799345.

It is an arithmetic number, because the mean of its divisors is an integer number (5528039814).

Almost surely, 255106555655 is an apocalyptic number.

55106555655 is a deficient number, since it is larger than the sum of its proper divisors (33342081369).

55106555655 is a wasteful number, since it uses less digits than its factorization.

55106555655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11589506.

The product of its (nonzero) digits is 2812500, while the sum is 48.

The spelling of 55106555655 in words is "fifty-five billion, one hundred six million, five hundred fifty-five thousand, six hundred fifty-five".

Divisors: 1 3 5 15 317 951 1585 4755 11589181 34767543 57945905 173837715 3673770377 11021311131 18368851885 55106555655