Search a number
-
+
55112873 is a prime number
BaseRepresentation
bin1101001000111…
…1010010101001
310211201000122112
43102033102221
5103102102443
65245132105
71236310634
oct322172251
9124630575
1055112873
1129123132
121655a035
13b55868a
147468c1b
154c89b18
hex348f4a9

55112873 has 2 divisors, whose sum is σ = 55112874. Its totient is φ = 55112872.

The previous prime is 55112857. The next prime is 55112881. The reversal of 55112873 is 37821155.

55112873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 30382144 + 24730729 = 5512^2 + 4973^2 .

It is a cyclic number.

It is not a de Polignac number, because 55112873 - 24 = 55112857 is a prime.

It is not a weakly prime, because it can be changed into another prime (55112803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27556436 + 27556437.

It is an arithmetic number, because the mean of its divisors is an integer number (27556437).

Almost surely, 255112873 is an apocalyptic number.

It is an amenable number.

55112873 is a deficient number, since it is larger than the sum of its proper divisors (1).

55112873 is an equidigital number, since it uses as much as digits as its factorization.

55112873 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 8400, while the sum is 32.

The square root of 55112873 is about 7423.8044828780. The cubic root of 55112873 is about 380.5552202253. Note that the first 3 decimals are identical.

The spelling of 55112873 in words is "fifty-five million, one hundred twelve thousand, eight hundred seventy-three".