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55112360845 = 553207971173
BaseRepresentation
bin110011010100111100…
…111110001110001101
312021020212122000021211
4303110330332032031
51400332231021340
641152425054421
73660510223603
oct632474761615
9167225560254
1055112360845
1121411544463
12a821027411
135273c7c409
14294b6bd873
1516785e35ea
hexcd4f3e38d

55112360845 has 8 divisors (see below), whose sum is σ = 67382660376. Its totient is φ = 43258003776.

The previous prime is 55112360837. The next prime is 55112360861. The reversal of 55112360845 is 54806321155.

It can be written as a sum of positive squares in 4 ways, for example, as 1524277764 + 53588083081 = 39042^2 + 231491^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55112360845 - 23 = 55112360837 is a prime.

It is a super-2 number, since 2×551123608452 (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 55112360798 and 55112360807.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 103985322 + ... + 103985851.

It is an arithmetic number, because the mean of its divisors is an integer number (8422832547).

Almost surely, 255112360845 is an apocalyptic number.

It is an amenable number.

55112360845 is a deficient number, since it is larger than the sum of its proper divisors (12270299531).

55112360845 is a wasteful number, since it uses less digits than its factorization.

55112360845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207971231.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 55112360845 in words is "fifty-five billion, one hundred twelve million, three hundred sixty thousand, eight hundred forty-five".

Divisors: 1 5 53 265 207971173 1039855865 11022472169 55112360845