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53255149 is a prime number
BaseRepresentation
bin1100101100100…
…1101111101101
310201012122022221
43023021233231
5102113131044
65141235341
71214442553
oct313115755
9121178287
1053255149
1128074422
1215a02b51
13b057c2c
147103bd3
154a1e484
hex32c9bed

53255149 has 2 divisors, whose sum is σ = 53255150. Its totient is φ = 53255148.

The previous prime is 53255141. The next prime is 53255161. The reversal of 53255149 is 94155235.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52099524 + 1155625 = 7218^2 + 1075^2 .

It is a cyclic number.

It is not a de Polignac number, because 53255149 - 23 = 53255141 is a prime.

It is a super-2 number, since 2×532551492 = 5672221790024402, which contains 22 as substring.

It is a congruent number.

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, 26627574 + 26627575.

It is an arithmetic number, because the mean of its divisors is an integer number (26627575).

Almost surely, 253255149 is an apocalyptic number.

It is an amenable number.

53255149 is a deficient number, since it is larger than the sum of its proper divisors (1).

53255149 is an equidigital number, since it uses as much as digits as its factorization.

53255149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27000, while the sum is 34.

The square root of 53255149 is about 7297.6125548017. The cubic root of 53255149 is about 376.2303859122.

The spelling of 53255149 in words is "fifty-three million, two hundred fifty-five thousand, one hundred forty-nine".