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54452681 is a prime number
BaseRepresentation
bin1100111110111…
…0000111001001
310210110111000222
43033232013021
5102414441211
65223035425
71230561113
oct317560711
9123414028
1054452681
1128812118
121629bb75
13b38702a
1473363b3
154ba91db
hex33ee1c9

54452681 has 2 divisors, whose sum is σ = 54452682. Its totient is φ = 54452680.

The previous prime is 54452627. The next prime is 54452719. The reversal of 54452681 is 18625445.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 34916281 + 19536400 = 5909^2 + 4420^2 .

It is a cyclic number.

It is not a de Polignac number, because 54452681 - 26 = 54452617 is a prime.

It is a super-2 number, since 2×544526812 = 5930188936175522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (54451681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27226340 + 27226341.

It is an arithmetic number, because the mean of its divisors is an integer number (27226341).

Almost surely, 254452681 is an apocalyptic number.

It is an amenable number.

54452681 is a deficient number, since it is larger than the sum of its proper divisors (1).

54452681 is an equidigital number, since it uses as much as digits as its factorization.

54452681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 38400, while the sum is 35.

The square root of 54452681 is about 7379.2059870964. The cubic root of 54452681 is about 379.0295667811.

The spelling of 54452681 in words is "fifty-four million, four hundred fifty-two thousand, six hundred eighty-one".