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55505105101 = 4726311094049
BaseRepresentation
bin110011101100010111…
…001011000011001101
312022021020122111010101
4303230113023003031
51402133301330401
641255415011101
74003316415565
oct635427130315
9168236574111
1055505105101
11215a3203a96
12a910669a91
135307450274
142987915da5
15169cd22101
hexcec5cb0cd

55505105101 has 16 divisors (see below), whose sum is σ = 56966976000. Its totient is φ = 54055437568.

The previous prime is 55505105083. The next prime is 55505105107. The reversal of 55505105101 is 10150150555.

It is a cyclic number.

It is not a de Polignac number, because 55505105101 - 225 = 55471550669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55505105101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55505105107) by changing a digit.

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, 13706325 + ... + 13710373.

It is an arithmetic number, because the mean of its divisors is an integer number (3560436000).

Almost surely, 255505105101 is an apocalyptic number.

It is an amenable number.

55505105101 is a deficient number, since it is larger than the sum of its proper divisors (1461870899).

55505105101 is a wasteful number, since it uses less digits than its factorization.

55505105101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5468.

The product of its (nonzero) digits is 3125, while the sum is 28.

Adding to 55505105101 its reverse (10150150555), we get a palindrome (65655255656).

The spelling of 55505105101 in words is "fifty-five billion, five hundred five million, one hundred five thousand, one hundred one".

Divisors: 1 47 263 1109 4049 12361 52123 190303 291667 1064887 4490341 13708349 50049689 211046027 1180959683 55505105101