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55010505500 = 2253110021011
BaseRepresentation
bin110011001110111000…
…011011001100011100
312020222202222020000122
4303032320123030130
51400130142134000
641134350014112
73655132403336
oct631670331434
9166882866018
1055010505500
1121369aa5a95
12a7b2aa7338
135258b39292
14293bd68456
15166e6c4085
hexccee1b31c

55010505500 has 24 divisors (see below), whose sum is σ = 120142945104. Its totient is φ = 22004202000.

The previous prime is 55010505469. The next prime is 55010505509. The reversal of 55010505500 is 550501055.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55010505500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55010505509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55010006 + ... + 55011005.

It is an arithmetic number, because the mean of its divisors is an integer number (5005956046).

Almost surely, 255010505500 is an apocalyptic number.

55010505500 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55010505500 is an abundant number, since it is smaller than the sum of its proper divisors (65132439604).

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

55010505500 is a wasteful number, since it uses less digits than its factorization.

55010505500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110021030 (or 110021018 counting only the distinct ones).

The product of its (nonzero) digits is 3125, while the sum is 26.

The spelling of 55010505500 in words is "fifty-five billion, ten million, five hundred five thousand, five hundred".

Divisors: 1 2 4 5 10 20 25 50 100 125 250 500 110021011 220042022 440084044 550105055 1100210110 2200420220 2750525275 5501050550 11002101100 13752626375 27505252750 55010505500