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57522401 is a prime number
BaseRepresentation
bin1101101101101…
…1100011100001
311000020102220022
43123123203201
5104211204101
65412523225
71265634536
oct333334341
9130212808
1057522401
112a519482
1217320515
13bbc0331
1478d4d8d
1550b3a1b
hex36db8e1

57522401 has 2 divisors, whose sum is σ = 57522402. Its totient is φ = 57522400.

The previous prime is 57522397. The next prime is 57522427. The reversal of 57522401 is 10422575.

It is an a-pointer prime, because the next prime (57522427) can be obtained adding 57522401 to its sum of digits (26).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 47128225 + 10394176 = 6865^2 + 3224^2 .

It is a cyclic number.

It is not a de Polignac number, because 57522401 - 22 = 57522397 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (57522431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28761200 + 28761201.

It is an arithmetic number, because the mean of its divisors is an integer number (28761201).

Almost surely, 257522401 is an apocalyptic number.

It is an amenable number.

57522401 is a deficient number, since it is larger than the sum of its proper divisors (1).

57522401 is an equidigital number, since it uses as much as digits as its factorization.

57522401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2800, while the sum is 26.

The square root of 57522401 is about 7584.3523784170. The cubic root of 57522401 is about 386.0222476371.

Adding to 57522401 its reverse (10422575), we get a palindrome (67944976).

The spelling of 57522401 in words is "fifty-seven million, five hundred twenty-two thousand, four hundred one".