52760221 has 2 divisors, whose sum is σ = 52760222. Its totient is φ = 52760220.

The previous prime is 52760161. The next prime is 52760249. The reversal of 52760221 is 12206725.

52760221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 35868121 + 16892100 = 5989^2 + 4110^2 .

It is a cyclic number.

It is not a de Polignac number, because 52760221 - 2¹⁷ = 52629149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (52760291) 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, 26380110 + 26380111.

It is an arithmetic number, because the mean of its divisors is an integer number (26380111).

Almost surely, 2^52760221 is an apocalyptic number.

It is an amenable number.

52760221 is a deficient number, since it is larger than the sum of its proper divisors (1).

52760221 is an equidigital number, since it uses as much as digits as its factorization.

52760221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 52760221 is about 7263.6231317436. The cubic root of 52760221 is about 375.0612545864.

Adding to 52760221 its reverse (12206725), we get a palindrome (64966946).

The spelling of 52760221 in words is "fifty-two million, seven hundred sixty thousand, two hundred twenty-one".