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53430161 is a prime number
BaseRepresentation
bin1100101111010…
…0011110010001
310201112112101212
43023310132101
5102134231121
65145105505
71216102031
oct313643621
9121475355
1053430161
1128183964
1215a88295
13b0b97a5
14714b8c1
154a5625b
hex32f4791

53430161 has 2 divisors, whose sum is σ = 53430162. Its totient is φ = 53430160.

The previous prime is 53430121. The next prime is 53430163. The reversal of 53430161 is 16103435.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 45900625 + 7529536 = 6775^2 + 2744^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53430161 is a prime.

Together with 53430163, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53430163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26715080 + 26715081.

It is an arithmetic number, because the mean of its divisors is an integer number (26715081).

Almost surely, 253430161 is an apocalyptic number.

It is an amenable number.

53430161 is a deficient number, since it is larger than the sum of its proper divisors (1).

53430161 is an equidigital number, since it uses as much as digits as its factorization.

53430161 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 53430161 is about 7309.5937643620. The cubic root of 53430161 is about 376.6420696427.

Adding to 53430161 its reverse (16103435), we get a palindrome (69533596).

The spelling of 53430161 in words is "fifty-three million, four hundred thirty thousand, one hundred sixty-one".