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53838481 is a prime number
BaseRepresentation
bin1100110101100…
…0001010010001
310202022021111211
43031120022101
5102240312411
65201540121
71222422334
oct315301221
9122267454
1053838481
1128432714
1216044641
13b2005b8
14721661b
154ad7221
hex3358291

53838481 has 2 divisors, whose sum is σ = 53838482. Its totient is φ = 53838480.

The previous prime is 53838461. The next prime is 53838487. The reversal of 53838481 is 18483835.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28998225 + 24840256 = 5385^2 + 4984^2 .

It is a cyclic number.

It is not a de Polignac number, because 53838481 - 213 = 53830289 is a prime.

It is a super-2 number, since 2×538384812 = 5797164072774722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53838487) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26919240 + 26919241.

It is an arithmetic number, because the mean of its divisors is an integer number (26919241).

Almost surely, 253838481 is an apocalyptic number.

It is an amenable number.

53838481 is a deficient number, since it is larger than the sum of its proper divisors (1).

53838481 is an equidigital number, since it uses as much as digits as its factorization.

53838481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 92160, while the sum is 40.

The square root of 53838481 is about 7337.4710220893. The cubic root of 53838481 is about 377.5990845558.

The spelling of 53838481 in words is "fifty-three million, eight hundred thirty-eight thousand, four hundred eighty-one".