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55050061100 = 2252550500611
BaseRepresentation
bin110011010001001111…
…010100010100101100
312021002112101212002212
4303101033110110230
51400220303423400
641142321505552
73656122540646
oct632117242454
9167075355085
1055050061100
112138a362771
12a8041a22b8
1352640a8768
142943303896
151672dd9335
hexcd13d452c

55050061100 has 18 divisors (see below), whose sum is σ = 119458632804. Its totient is φ = 22020024400.

The previous prime is 55050061069. The next prime is 55050061109. The reversal of 55050061100 is 116005055.

It is a super-2 number, since 2×550500611002 (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (55050061109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 275250206 + ... + 275250405.

Almost surely, 255050061100 is an apocalyptic number.

55050061100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

55050061100 is an abundant number, since it is smaller than the sum of its proper divisors (64408571704).

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

55050061100 is a wasteful number, since it uses less digits than its factorization.

55050061100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550500625 (or 550500618 counting only the distinct ones).

The product of its (nonzero) digits is 750, while the sum is 23.

Adding to 55050061100 its reverse (116005055), we get a palindrome (55166066155).

The spelling of 55050061100 in words is "fifty-five billion, fifty million, sixty-one thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 550500611 1101001222 2202002444 2752503055 5505006110 11010012220 13762515275 27525030550 55050061100