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55505040041 = 115045912731
BaseRepresentation
bin110011101100010110…
…111011001010101001
312022021020112011212202
4303230112323022221
51402133242240131
641255413345545
74003316025113
oct635426731251
9168236464782
1055505040041
11215a316a120
12a9106382b5
135307429779
1429878da3b3
15169cd0cbcb
hexcec5bb2a9

55505040041 has 4 divisors (see below), whose sum is σ = 60550952784. Its totient is φ = 50459127300.

The previous prime is 55505040023. The next prime is 55505040067. The reversal of 55505040041 is 14004050555.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 55505040041 - 26 = 55505039977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55505039986 and 55505040013.

It is not an unprimeable number, because it can be changed into a prime (55505045041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2522956355 + ... + 2522956376.

It is an arithmetic number, because the mean of its divisors is an integer number (15137738196).

Almost surely, 255505040041 is an apocalyptic number.

It is an amenable number.

55505040041 is a deficient number, since it is larger than the sum of its proper divisors (5045912743).

55505040041 is a wasteful number, since it uses less digits than its factorization.

55505040041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5045912742.

The product of its (nonzero) digits is 10000, while the sum is 29.

Adding to 55505040041 its reverse (14004050555), we get a palindrome (69509090596).

The spelling of 55505040041 in words is "fifty-five billion, five hundred five million, forty thousand, forty-one".

Divisors: 1 11 5045912731 55505040041