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553542331 is a prime number
BaseRepresentation
bin100000111111100…
…110001010111011
31102120120212022211
4200333212022323
52113201323311
6130532155551
716501014016
oct4077461273
91376525284
10553542331
11264507601
12135468bb7
138a8b0954
145373237d
15338e2821
hex20fe62bb

553542331 has 2 divisors, whose sum is σ = 553542332. Its totient is φ = 553542330.

The previous prime is 553542313. The next prime is 553542337. The reversal of 553542331 is 133245355.

Together with previous prime (553542313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 553542331 - 217 = 553411259 is a prime.

It is a super-2 number, since 2×5535423312 = 612818224417827122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 553542293 and 553542302.

It is not a weakly prime, because it can be changed into another prime (553542337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276771165 + 276771166.

It is an arithmetic number, because the mean of its divisors is an integer number (276771166).

Almost surely, 2553542331 is an apocalyptic number.

553542331 is a deficient number, since it is larger than the sum of its proper divisors (1).

553542331 is an equidigital number, since it uses as much as digits as its factorization.

553542331 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27000, while the sum is 31.

The square root of 553542331 is about 23527.4803368317. The cubic root of 553542331 is about 821.0764817928.

Adding to 553542331 its reverse (133245355), we get a palindrome (686787686).

The spelling of 553542331 in words is "five hundred fifty-three million, five hundred forty-two thousand, three hundred thirty-one".