53180813597 has 4 divisors (see below), whose sum is σ = 53651440380. Its totient is φ = 52710186816.

The previous prime is 53180813573. The next prime is 53180813633. The reversal of 53180813597 is 79531808135.

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 29114255641 + 24066557956 = 170629^2 + 155134^2 .

It is a cyclic number.

It is not a de Polignac number, because 53180813597 - 2²⁴ = 53164036381 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 (53180813557) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 235313222 + ... + 235313447.

It is an arithmetic number, because the mean of its divisors is an integer number (13412860095).

Almost surely, 2^53180813597 is an apocalyptic number.

It is an amenable number.

53180813597 is a deficient number, since it is larger than the sum of its proper divisors (470626783).

53180813597 is a wasteful number, since it uses less digits than its factorization.

53180813597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 470626782.

The product of its (nonzero) digits is 907200, while the sum is 50.

The spelling of 53180813597 in words is "fifty-three billion, one hundred eighty million, eight hundred thirteen thousand, five hundred ninety-seven".