53522390717 has 4 divisors (see below), whose sum is σ = 53523191196. Its totient is φ = 53521590240.

The previous prime is 53522390693. The next prime is 53522390767. The reversal of 53522390717 is 71709322535.

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 39625281721 + 13897108996 = 199061^2 + 117886^2 .

It is a cyclic number.

It is not a de Polignac number, because 53522390717 - 2²⁴ = 53505613501 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 (53522390767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 289784 + ... + 437057.

It is an arithmetic number, because the mean of its divisors is an integer number (13380797799).

Almost surely, 2^53522390717 is an apocalyptic number.

It is an amenable number.

53522390717 is a deficient number, since it is larger than the sum of its proper divisors (800479).

53522390717 is an equidigital number, since it uses as much as digits as its factorization.

53522390717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 800478.

The product of its (nonzero) digits is 396900, while the sum is 44.

The spelling of 53522390717 in words is "fifty-three billion, five hundred twenty-two million, three hundred ninety thousand, seven hundred seventeen".