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55550430300 = 2235223671071123
BaseRepresentation
bin110011101111000100…
…000100110001011100
312022101101221020121110
4303233010010301130
51402231402232200
641304114302020
74004406603201
oct635704046134
9168341836543
1055550430300
1121616851532
12a923887910
13531395c901
14298d953ca8
1516a1cc6b50
hexcef104c5c

55550430300 has 288 divisors, whose sum is σ = 171960993792. Its totient is φ = 13815141120.

The previous prime is 55550430293. The next prime is 55550430379. The reversal of 55550430300 is 303405555.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

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 95 ways as a sum of consecutive naturals, for example, 49465539 + ... + 49466661.

It is an arithmetic number, because the mean of its divisors is an integer number (597086784).

Almost surely, 255550430300 is an apocalyptic number.

55550430300 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55550430300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85980496896).

55550430300 is an abundant number, since it is smaller than the sum of its proper divisors (116410563492).

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

55550430300 is a wasteful number, since it uses less digits than its factorization.

55550430300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1337 (or 1330 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 30.

Adding to 55550430300 its reverse (303405555), we get a palindrome (55853835855).

The spelling of 55550430300 in words is "fifty-five billion, five hundred fifty million, four hundred thirty thousand, three hundred".