53444459 has 2 divisors, whose sum is σ = 53444460. Its totient is φ = 53444458.

The previous prime is 53444423. The next prime is 53444471. The reversal of 53444459 is 95444435.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 53444459 - 2²⁰ = 52395883 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (53444059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26722229 + 26722230.

It is an arithmetic number, because the mean of its divisors is an integer number (26722230).

Almost surely, 2^53444459 is an apocalyptic number.

53444459 is a deficient number, since it is larger than the sum of its proper divisors (1).

53444459 is an equidigital number, since it uses as much as digits as its factorization.

53444459 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 172800, while the sum is 38.

The square root of 53444459 is about 7310.5717286680. The cubic root of 53444459 is about 376.6756633279.

The spelling of 53444459 in words is "fifty-three million, four hundred forty-four thousand, four hundred fifty-nine".