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55050550500580 = 2257333755153513
BaseRepresentation
bin11001000010001011101001…
…00000011101110011100100
321012220210002111221220000021
430201011310200131303210
524203422011412004310
6313025512422324524
714411161650354055
oct1441056440356344
9235823074856007
1055050550500580
11165a4897657958
1262111b9b89744
13249432461123b
14d8466486072c
15656ed02175da
hex32117481dce4

55050550500580 has 24 divisors (see below), whose sum is σ = 115763872529592. Its totient is φ = 21990178966272.

The previous prime is 55050550500529. The next prime is 55050550500587. The reversal of 55050550500580 is 8500505505055.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37154486320704 + 17896064179876 = 6095448^2 + 4230374^2 .

It is a super-2 number, since 2×550505505005802 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55050550500587) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1877562097 + ... + 1877591416.

It is an arithmetic number, because the mean of its divisors is an integer number (4823494688733).

Almost surely, 255050550500580 is an apocalyptic number.

It is an amenable number.

55050550500580 is an abundant number, since it is smaller than the sum of its proper divisors (60713322029012).

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

55050550500580 is a wasteful number, since it uses less digits than its factorization.

55050550500580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3755154255 (or 3755154253 counting only the distinct ones).

The product of its (nonzero) digits is 625000, while the sum is 43.

The spelling of 55050550500580 in words is "fifty-five trillion, fifty billion, five hundred fifty million, five hundred thousand, five hundred eighty".

Divisors: 1 2 4 5 10 20 733 1466 2932 3665 7330 14660 3755153513 7510307026 15020614052 18775767565 37551535130 75103070260 2752527525029 5505055050058 11010110100116 13762637625145 27525275250290 55050550500580