53805223 has 2 divisors, whose sum is σ = 53805224. Its totient is φ = 53805222.

The previous prime is 53805203. The next prime is 53805239. The reversal of 53805223 is 32250835.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53805223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 53805191 and 53805200.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (53805203) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26902611 + 26902612.

It is an arithmetic number, because the mean of its divisors is an integer number (26902612).

Almost surely, 2^53805223 is an apocalyptic number.

53805223 is a deficient number, since it is larger than the sum of its proper divisors (1).

53805223 is an equidigital number, since it uses as much as digits as its factorization.

53805223 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 53805223 is about 7335.2043597980. The cubic root of 53805223 is about 377.5213162824.

The spelling of 53805223 in words is "fifty-three million, eight hundred five thousand, two hundred twenty-three".