53443125305 has 8 divisors (see below), whose sum is σ = 64464040392. Its totient is φ = 42532973568.

The previous prime is 53443125271. The next prime is 53443125343. The reversal of 53443125305 is 50352134435.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 15260402089 + 38182723216 = 123533^2 + 195404^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 53443125305 - 2¹² = 53443121209 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27689774 + ... + 27691703.

It is an arithmetic number, because the mean of its divisors is an integer number (8058005049).

Almost surely, 2^53443125305 is an apocalyptic number.

It is an amenable number.

53443125305 is a deficient number, since it is larger than the sum of its proper divisors (11020915087).

53443125305 is a wasteful number, since it uses less digits than its factorization.

53443125305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55381675.

The product of its (nonzero) digits is 108000, while the sum is 35.

The spelling of 53443125305 in words is "fifty-three billion, four hundred forty-three million, one hundred twenty-five thousand, three hundred five".