53122247 has 2 divisors, whose sum is σ = 53122248. Its totient is φ = 53122246.

The previous prime is 53122219. The next prime is 53122259. The reversal of 53122247 is 74222135.

53122247 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 is a cyclic number.

It is not a de Polignac number, because 53122247 - 2¹⁴ = 53105863 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53122217) 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, 26561123 + 26561124.

It is an arithmetic number, because the mean of its divisors is an integer number (26561124).

Almost surely, 2^53122247 is an apocalyptic number.

53122247 is a deficient number, since it is larger than the sum of its proper divisors (1).

53122247 is an equidigital number, since it uses as much as digits as its factorization.

53122247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3360, while the sum is 26.

The square root of 53122247 is about 7288.5010118679. The cubic root of 53122247 is about 375.9171553372.

The spelling of 53122247 in words is "fifty-three million, one hundred twenty-two thousand, two hundred forty-seven".