53505205155293 has 8 divisors (see below), whose sum is σ = 53948616122808. Its totient is φ = 53063529652224.

The previous prime is 53505205155247. The next prime is 53505205155301. The reversal of 53505205155293 is 39255150250535.

It can be written as a sum of positive squares in 4 ways, for example, as 19857165875044 + 33648039280249 = 4456138^2 + 5800693^2 .

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 53505205155293 - 2³² = 53500910187997 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53505205155223) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 433804196 + ... + 433927517.

It is an arithmetic number, because the mean of its divisors is an integer number (6743577015351).

Almost surely, 2^{53505205155293} is an apocalyptic number.

It is an amenable number.

53505205155293 is a deficient number, since it is larger than the sum of its proper divisors (443410967515).

53505205155293 is a wasteful number, since it uses less digits than its factorization.

53505205155293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867732223.

The product of its (nonzero) digits is 5062500, while the sum is 50.

The spelling of 53505205155293 in words is "fifty-three trillion, five hundred five billion, two hundred five million, one hundred fifty-five thousand, two hundred ninety-three".