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55550055000050 = 2521385461623077
BaseRepresentation
bin11001010000101110000010…
…10010111010011111110010
321021200112101211210120022022
430220113001102322133302
524240113003040000200
6314051202025311442
714462234101506452
oct1450270122723762
9237615354716268
1055550055000050
1116777711951486
126291b81035582
1324cc469bc0c20
14da08cbd3dd62
15664eb75c0885
hex3285c14ba7f2

55550055000050 has 24 divisors (see below), whose sum is σ = 111271033247556. Its totient is φ = 20510789538240.

The previous prime is 55550055000031. The next prime is 55550055000059. The reversal of 55550055000050 is 5000055005555.

55550055000050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 26385594429481 + 29164460570569 = 5136691^2 + 5400413^2 .

It is a super-2 number, since 2×555500550000502 (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55550055000059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42730810889 + ... + 42730812188.

Almost surely, 255550055000050 is an apocalyptic number.

55550055000050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55550055000050 is an abundant number, since it is smaller than the sum of its proper divisors (55720978247506).

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

55550055000050 is a wasteful number, since it uses less digits than its factorization.

55550055000050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85461623102 (or 85461623097 counting only the distinct ones).

The product of its (nonzero) digits is 78125, while the sum is 35.

The spelling of 55550055000050 in words is "fifty-five trillion, five hundred fifty billion, fifty-five million, fifty", and thus it is an aban number.

Divisors: 1 2 5 10 13 25 26 50 65 130 325 650 85461623077 170923246154 427308115385 854616230770 1111001100001 2136540576925 2222002200002 4273081153850 5555005500005 11110011000010 27775027500025 55550055000050