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55610061101 = 77944294443
BaseRepresentation
bin110011110010100111…
…100011000100101101
312022112120010210200122
4303302213203010231
51402342133423401
641314044334325
74006032502010
oct636247430455
9168476123618
1055610061101
112164747aa91
12a93b8443a5
13532310a7ca
142997837377
1516a715521b
hexcf29e312d

55610061101 has 4 divisors (see below), whose sum is σ = 63554355552. Its totient is φ = 47665766652.

The previous prime is 55610061041. The next prime is 55610061179. The reversal of 55610061101 is 10116001655.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10116001655 = 52023200331.

It is not a de Polignac number, because 55610061101 - 226 = 55542952237 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 (55610061301) 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, 3972147215 + ... + 3972147228.

It is an arithmetic number, because the mean of its divisors is an integer number (15888588888).

Almost surely, 255610061101 is an apocalyptic number.

It is an amenable number.

55610061101 is a deficient number, since it is larger than the sum of its proper divisors (7944294451).

55610061101 is an equidigital number, since it uses as much as digits as its factorization.

55610061101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7944294450.

The product of its (nonzero) digits is 900, while the sum is 26.

Adding to 55610061101 its reverse (10116001655), we get a palindrome (65726062756).

The spelling of 55610061101 in words is "fifty-five billion, six hundred ten million, sixty-one thousand, one hundred one".

Divisors: 1 7 7944294443 55610061101