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52055257 is a prime number
BaseRepresentation
bin1100011010010…
…0110011011001
310121221200101111
43012210303121
5101311232012
65055420321
71201314412
oct306446331
9117850344
1052055257
1127424981
12155246a1
13aa27a37
146cb0809
154883ba7
hex31a4cd9

52055257 has 2 divisors, whose sum is σ = 52055258. Its totient is φ = 52055256.

The previous prime is 52055249. The next prime is 52055291. The reversal of 52055257 is 75255025.

52055257 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 50965321 + 1089936 = 7139^2 + 1044^2 .

It is a cyclic number.

It is not a de Polignac number, because 52055257 - 23 = 52055249 is a prime.

It is not a weakly prime, because it can be changed into another prime (52055357) 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, 26027628 + 26027629.

It is an arithmetic number, because the mean of its divisors is an integer number (26027629).

Almost surely, 252055257 is an apocalyptic number.

It is an amenable number.

52055257 is a deficient number, since it is larger than the sum of its proper divisors (1).

52055257 is an equidigital number, since it uses as much as digits as its factorization.

52055257 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17500, while the sum is 31.

The square root of 52055257 is about 7214.9329172211. The cubic root of 52055257 is about 373.3832787310.

The spelling of 52055257 in words is "fifty-two million, fifty-five thousand, two hundred fifty-seven".