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54145501 is a prime number
BaseRepresentation
bin1100111010001…
…1000111011101
310202212212122221
43032203013131
5102330124001
65212305341
71225141414
oct316430735
9122785587
1054145501
1128622353
1216172251
13b2aa277
14729647b
154b481a1
hex33a31dd

54145501 has 2 divisors, whose sum is σ = 54145502. Its totient is φ = 54145500.

The previous prime is 54145477. The next prime is 54145513. The reversal of 54145501 is 10554145.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 48860100 + 5285401 = 6990^2 + 2299^2 .

It is a cyclic number.

It is not a de Polignac number, because 54145501 - 27 = 54145373 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (54145591) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27072750 + 27072751.

It is an arithmetic number, because the mean of its divisors is an integer number (27072751).

Almost surely, 254145501 is an apocalyptic number.

It is an amenable number.

54145501 is a deficient number, since it is larger than the sum of its proper divisors (1).

54145501 is an equidigital number, since it uses as much as digits as its factorization.

54145501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 54145501 is about 7358.3626575482. The cubic root of 54145501 is about 378.3154915782.

Adding to 54145501 its reverse (10554145), we get a palindrome (64699646).

The spelling of 54145501 in words is "fifty-four million, one hundred forty-five thousand, five hundred one".