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54238081 is a prime number
BaseRepresentation
bin1100111011100…
…1101110000001
310210001120122211
43032321232001
5102341104311
65214302121
71226005342
oct316715601
9123046584
1054238081
1128685967
12161b7941
13b310451
1472bc0c9
154b65821
hex33b9b81

54238081 has 2 divisors, whose sum is σ = 54238082. Its totient is φ = 54238080.

The previous prime is 54238043. The next prime is 54238099. The reversal of 54238081 is 18083245.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28987456 + 25250625 = 5384^2 + 5025^2 .

It is a cyclic number.

It is not a de Polignac number, because 54238081 - 215 = 54205313 is a prime.

It is a super-2 number, since 2×542380812 = 5883538861125122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54238001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27119040 + 27119041.

It is an arithmetic number, because the mean of its divisors is an integer number (27119041).

Almost surely, 254238081 is an apocalyptic number.

It is an amenable number.

54238081 is a deficient number, since it is larger than the sum of its proper divisors (1).

54238081 is an equidigital number, since it uses as much as digits as its factorization.

54238081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 54238081 is about 7364.6507724399. The cubic root of 54238081 is about 378.5309881228.

The spelling of 54238081 in words is "fifty-four million, two hundred thirty-eight thousand, eighty-one".