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553431227 is a prime number
BaseRepresentation
bin100000111111001…
…011000010111011
31102120101012220212
4200333023002323
52113134244402
6130525541335
716500042056
oct4077130273
91376335825
10553431227
11264441088
1213541484b
138a8721cb
1453703a9d
15338be952
hex20fcb0bb

553431227 has 2 divisors, whose sum is σ = 553431228. Its totient is φ = 553431226.

The previous prime is 553431191. The next prime is 553431239. The reversal of 553431227 is 722134355.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 553431227 - 210 = 553430203 is a prime.

It is a super-2 number, since 2×5534312272 = 612572246037451058, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 553431193 and 553431202.

It is not a weakly prime, because it can be changed into another prime (553431427) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 276715613 + 276715614.

It is an arithmetic number, because the mean of its divisors is an integer number (276715614).

Almost surely, 2553431227 is an apocalyptic number.

553431227 is a deficient number, since it is larger than the sum of its proper divisors (1).

553431227 is an equidigital number, since it uses as much as digits as its factorization.

553431227 is an evil number, because the sum of its binary digits is even.

The product of its digits is 25200, while the sum is 32.

The square root of 553431227 is about 23525.1190645234. The cubic root of 553431227 is about 821.0215441181.

The spelling of 553431227 in words is "five hundred fifty-three million, four hundred thirty-one thousand, two hundred twenty-seven".