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54205513 is a prime number
BaseRepresentation
bin1100111011000…
…1110001001001
310202222220222121
43032301301021
5102334034023
65213451241
71225511365
oct316616111
9122886877
1054205513
112866344a
12161a0b21
13b2cb68b
1472b02a5
154b5ad5d
hex33b1c49

54205513 has 2 divisors, whose sum is σ = 54205514. Its totient is φ = 54205512.

The previous prime is 54205507. The next prime is 54205519. The reversal of 54205513 is 31550245.

54205513 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (54205507) and next prime (54205519).

It can be written as a sum of positive squares in only one way, i.e., 51796809 + 2408704 = 7197^2 + 1552^2 .

It is a cyclic number.

It is not a de Polignac number, because 54205513 - 29 = 54205001 is a prime.

It is not a weakly prime, because it can be changed into another prime (54205519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27102756 + 27102757.

It is an arithmetic number, because the mean of its divisors is an integer number (27102757).

Almost surely, 254205513 is an apocalyptic number.

It is an amenable number.

54205513 is a deficient number, since it is larger than the sum of its proper divisors (1).

54205513 is an equidigital number, since it uses as much as digits as its factorization.

54205513 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3000, while the sum is 25.

The square root of 54205513 is about 7362.4393376109. The cubic root of 54205513 is about 378.4552082444.

Adding to 54205513 its reverse (31550245), we get a palindrome (85755758).

The spelling of 54205513 in words is "fifty-four million, two hundred five thousand, five hundred thirteen".