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55234105540 = 22531611460447
BaseRepresentation
bin110011011100001101…
…011001000011000100
312021120100201021121121
4303130031121003010
51401104412334130
641212454323324
73663516102445
oct633415310304
9167510637547
1055234105540
1121474238009
12a855959544
1352932674b3
14295d9312cc
151684140d7a
hexcdc3590c4

55234105540 has 48 divisors (see below), whose sum is σ = 121696210944. Its totient is φ = 21030422400.

The previous prime is 55234105523. The next prime is 55234105543. The reversal of 55234105540 is 4550143255.

It is a junction number, because it is equal to n+sod(n) for n = 55234105496 and 55234105505.

It is not an unprimeable number, because it can be changed into a prime (55234105543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692404 + ... + 768043.

It is an arithmetic number, because the mean of its divisors is an integer number (2535337728).

Almost surely, 255234105540 is an apocalyptic number.

It is an amenable number.

55234105540 is an abundant number, since it is smaller than the sum of its proper divisors (66462105404).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

55234105540 is a wasteful number, since it uses less digits than its factorization.

55234105540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1460548 (or 1460546 counting only the distinct ones).

The product of its (nonzero) digits is 60000, while the sum is 34.

Adding to 55234105540 its reverse (4550143255), we get a palindrome (59784248795).

The spelling of 55234105540 in words is "fifty-five billion, two hundred thirty-four million, one hundred five thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 31 61 62 122 124 155 244 305 310 610 620 1220 1891 3782 7564 9455 18910 37820 1460447 2920894 5841788 7302235 14604470 29208940 45273857 89087267 90547714 178174534 181095428 226369285 356349068 445436335 452738570 890872670 905477140 1781745340 2761705277 5523410554 11046821108 13808526385 27617052770 55234105540