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55005610111 = 384714298313
BaseRepresentation
bin110011001110100101…
…110000000001111111
312020222102202111210221
4303032211300001333
51400122414010421
641134053042211
73655042654144
oct631645600177
9166872674727
1055005610111
1121367262011
12a7b1326367
135257b13cba
14293b4523cb
15166e058841
hexcce97007f

55005610111 has 4 divisors (see below), whose sum is σ = 55019912272. Its totient is φ = 54991307952.

The previous prime is 55005610103. The next prime is 55005610129. The reversal of 55005610111 is 11101650055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11101650055 = 52220330011.

It is a cyclic number.

It is not a de Polignac number, because 55005610111 - 23 = 55005610103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55005610211) 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 3 ways as a sum of consecutive naturals, for example, 7145310 + ... + 7153003.

It is an arithmetic number, because the mean of its divisors is an integer number (13754978068).

Almost surely, 255005610111 is an apocalyptic number.

55005610111 is a deficient number, since it is larger than the sum of its proper divisors (14302161).

55005610111 is a wasteful number, since it uses less digits than its factorization.

55005610111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14302160.

The product of its (nonzero) digits is 750, while the sum is 25.

The spelling of 55005610111 in words is "fifty-five billion, five million, six hundred ten thousand, one hundred eleven".

Divisors: 1 3847 14298313 55005610111