53245195917 has 4 divisors (see below), whose sum is σ = 70993594560. Its totient is φ = 35496797276.

The previous prime is 53245195909. The next prime is 53245195921. The reversal of 53245195917 is 71959154235.

53245195917 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 53245195917 - 2³ = 53245195909 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 53245195917.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53245195517) 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, 8874199317 + ... + 8874199322.

It is an arithmetic number, because the mean of its divisors is an integer number (17748398640).

Almost surely, 2^53245195917 is an apocalyptic number.

It is an amenable number.

53245195917 is a deficient number, since it is larger than the sum of its proper divisors (17748398643).

53245195917 is a wasteful number, since it uses less digits than its factorization.

53245195917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17748398642.

The product of its digits is 1701000, while the sum is 51.

The spelling of 53245195917 in words is "fifty-three billion, two hundred forty-five million, one hundred ninety-five thousand, nine hundred seventeen".