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55500005993 = 198335193409
BaseRepresentation
bin110011101100000011…
…101110001001101001
312022020220001102110112
4303230003232021221
51402131000142433
641255113424105
74003225160435
oct635403561151
9168226042415
1055500005993
11215a0340a53
12a90aa0b035
135306386343
142986d899c5
15169c666348
hexcec0ee269

55500005993 has 8 divisors (see below), whose sum is σ = 59124928800. Its totient is φ = 51945470208.

The previous prime is 55500005987. The next prime is 55500005999. The reversal of 55500005993 is 39950000555.

55500005993 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (55500005987) and next prime (55500005999).

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 55500005993 - 210 = 55500004969 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 55500005993.

It is not an unprimeable number, because it can be changed into a prime (55500005999) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17595128 + ... + 17598281.

It is an arithmetic number, because the mean of its divisors is an integer number (7390616100).

Almost surely, 255500005993 is an apocalyptic number.

It is an amenable number.

55500005993 is a deficient number, since it is larger than the sum of its proper divisors (3624922807).

55500005993 is a wasteful number, since it uses less digits than its factorization.

55500005993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35193511.

The product of its (nonzero) digits is 151875, while the sum is 41.

The spelling of 55500005993 in words is "fifty-five billion, five hundred million, five thousand, nine hundred ninety-three".

Divisors: 1 19 83 1577 35193409 668674771 2921052947 55500005993