53165055253 has 4 divisors (see below), whose sum is σ = 53169618348. Its totient is φ = 53160492160.

The previous prime is 53165055233. The next prime is 53165055259. The reversal of 53165055253 is 35255056135.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 18458483044 + 34706572209 = 135862^2 + 186297^2 .

It is a cyclic number.

It is not a de Polignac number, because 53165055253 - 2⁵ = 53165055221 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53165055259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2264026 + ... + 2287387.

It is an arithmetic number, because the mean of its divisors is an integer number (13292404587).

Almost surely, 2^53165055253 is an apocalyptic number.

It is an amenable number.

53165055253 is a deficient number, since it is larger than the sum of its proper divisors (4563095).

53165055253 is a wasteful number, since it uses less digits than its factorization.

53165055253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4563094.

The product of its (nonzero) digits is 337500, while the sum is 40.

The spelling of 53165055253 in words is "fifty-three billion, one hundred sixty-five million, fifty-five thousand, two hundred fifty-three".