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55505005045 = 5721911923739
BaseRepresentation
bin110011101100010110…
…110010100111110101
312022021020110101212121
4303230112302213311
51402133240130140
641255412515541
74003315521100
oct635426624765
9168236411777
1055505005045
11215a31458a6
12a91061bbb1
135307416869
1429878cb737
15169cd0264a
hexcec5b29f5

55505005045 has 24 divisors (see below), whose sum is σ = 81558381600. Its totient is φ = 36057383712.

The previous prime is 55505005019. The next prime is 55505005067. The reversal of 55505005045 is 54050050555.

It is not a de Polignac number, because 55505005045 - 213 = 55504996853 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55505005045.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5957215 + ... + 5966524.

It is an arithmetic number, because the mean of its divisors is an integer number (3398265900).

Almost surely, 255505005045 is an apocalyptic number.

It is an amenable number.

55505005045 is a deficient number, since it is larger than the sum of its proper divisors (26053376555).

55505005045 is a wasteful number, since it uses less digits than its factorization.

55505005045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11923777 (or 11923770 counting only the distinct ones).

The product of its (nonzero) digits is 62500, while the sum is 34.

The spelling of 55505005045 in words is "fifty-five billion, five hundred five million, five thousand, forty-five".

Divisors: 1 5 7 19 35 49 95 133 245 665 931 4655 11923739 59618695 83466173 226551041 417330865 584263211 1132755205 1585857287 2921316055 7929286435 11101001009 55505005045