53958805613 has 4 divisors (see below), whose sum is σ = 57132853020. Its totient is φ = 50784758208.

The previous prime is 53958805583. The next prime is 53958805651. The reversal of 53958805613 is 31650885935.

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 46629219844 + 7329585769 = 215938^2 + 85613^2 .

It is a cyclic number.

It is not a de Polignac number, because 53958805613 - 2¹⁰ = 53958804589 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53958802613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1587023678 + ... + 1587023711.

It is an arithmetic number, because the mean of its divisors is an integer number (14283213255).

Almost surely, 2^53958805613 is an apocalyptic number.

It is an amenable number.

53958805613 is a deficient number, since it is larger than the sum of its proper divisors (3174047407).

53958805613 is a wasteful number, since it uses less digits than its factorization.

53958805613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3174047406.

The product of its (nonzero) digits is 3888000, while the sum is 53.

The spelling of 53958805613 in words is "fifty-three billion, nine hundred fifty-eight million, eight hundred five thousand, six hundred thirteen".