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53255161 is a prime number
BaseRepresentation
bin1100101100100…
…1101111111001
310201012122100101
43023021233321
5102113131121
65141235401
71214442601
oct313115771
9121178311
1053255161
1128074433
1215a02b61
13b057c3b
147103c01
154a1e491
hex32c9bf9

53255161 has 2 divisors, whose sum is σ = 53255162. Its totient is φ = 53255160.

The previous prime is 53255149. The next prime is 53255171. The reversal of 53255161 is 16155235.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 27499536 + 25755625 = 5244^2 + 5075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-53255161 is a prime.

It is a super-2 number, since 2×532551612 = 5672224346271842, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (53255141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26627580 + 26627581.

It is an arithmetic number, because the mean of its divisors is an integer number (26627581).

Almost surely, 253255161 is an apocalyptic number.

It is an amenable number.

53255161 is a deficient number, since it is larger than the sum of its proper divisors (1).

53255161 is an equidigital number, since it uses as much as digits as its factorization.

53255161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4500, while the sum is 28.

The square root of 53255161 is about 7297.6133769884. The cubic root of 53255161 is about 376.2304141709.

The spelling of 53255161 in words is "fifty-three million, two hundred fifty-five thousand, one hundred sixty-one".