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553122389 is a prime number
BaseRepresentation
bin100000111101111…
…111101001010101
31102112210112021102
4200331333221111
52113044404024
6130515155445
716464314501
oct4075775125
91375715242
10553122389
11264250046
121352a5b85
138a794771
1453663301
153385d1ae
hex20f7fa55

553122389 has 2 divisors, whose sum is σ = 553122390. Its totient is φ = 553122388.

The previous prime is 553122341. The next prime is 553122391. The reversal of 553122389 is 983221355.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 385808164 + 167314225 = 19642^2 + 12935^2 .

It is a cyclic number.

It is not a de Polignac number, because 553122389 - 220 = 552073813 is a prime.

Together with 553122391, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (553121389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276561194 + 276561195.

It is an arithmetic number, because the mean of its divisors is an integer number (276561195).

Almost surely, 2553122389 is an apocalyptic number.

It is an amenable number.

553122389 is a deficient number, since it is larger than the sum of its proper divisors (1).

553122389 is an equidigital number, since it uses as much as digits as its factorization.

553122389 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64800, while the sum is 38.

The square root of 553122389 is about 23518.5541434842. The cubic root of 553122389 is about 820.8687941346.

The spelling of 553122389 in words is "five hundred fifty-three million, one hundred twenty-two thousand, three hundred eighty-nine".