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55179213233 is a prime number
BaseRepresentation
bin110011011000111011…
…111111100110110001
312021102112102110112012
4303120323333212301
51401001334310413
641203214012305
73662251400534
oct633073774661
9167375373465
1055179213233
1121446255671
12a83b4a7095
135284a88341
142956522a1b
15167e3eb7a8
hexcd8eff9b1

55179213233 has 2 divisors, whose sum is σ = 55179213234. Its totient is φ = 55179213232.

The previous prime is 55179213197. The next prime is 55179213301. The reversal of 55179213233 is 33231297155.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47929031329 + 7250181904 = 218927^2 + 85148^2 .

It is a cyclic number.

It is not a de Polignac number, because 55179213233 - 216 = 55179147697 is a prime.

It is not a weakly prime, because it can be changed into another prime (55179219233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27589606616 + 27589606617.

It is an arithmetic number, because the mean of its divisors is an integer number (27589606617).

Almost surely, 255179213233 is an apocalyptic number.

It is an amenable number.

55179213233 is a deficient number, since it is larger than the sum of its proper divisors (1).

55179213233 is an equidigital number, since it uses as much as digits as its factorization.

55179213233 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 170100, while the sum is 41.

The spelling of 55179213233 in words is "fifty-five billion, one hundred seventy-nine million, two hundred thirteen thousand, two hundred thirty-three".