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53275531 is a prime number
BaseRepresentation
bin1100101100111…
…0101110001011
310201020200021211
43023032232023
5102114304111
65141513551
71214556151
oct313165613
9121220254
1053275531
1128088771
1215a128b7
13b0642aa
14710b3d1
154a25521
hex32ceb8b

53275531 has 2 divisors, whose sum is σ = 53275532. Its totient is φ = 53275530.

The previous prime is 53275529. The next prime is 53275549. The reversal of 53275531 is 13557235.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 53275531 - 21 = 53275529 is a prime.

It is a super-2 number, since 2×532755312 = 5676564406663922, which contains 22 as substring.

Together with 53275529, it forms a pair of twin primes.

It is a junction number, because it is equal to n+sod(n) for n = 53275493 and 53275502.

It is not a weakly prime, because it can be changed into another prime (53275571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26637765 + 26637766.

It is an arithmetic number, because the mean of its divisors is an integer number (26637766).

Almost surely, 253275531 is an apocalyptic number.

53275531 is a deficient number, since it is larger than the sum of its proper divisors (1).

53275531 is an equidigital number, since it uses as much as digits as its factorization.

53275531 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 15750, while the sum is 31.

The square root of 53275531 is about 7299.0089053241. The cubic root of 53275531 is about 376.2783772006.

The spelling of 53275531 in words is "fifty-three million, two hundred seventy-five thousand, five hundred thirty-one".