53113504013 has 4 divisors (see below), whose sum is σ = 53114167260. Its totient is φ = 53112840768.

The previous prime is 53113504007. The next prime is 53113504019. The reversal of 53113504013 is 31040531135.

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

It is an interprime number because it is at equal distance from previous prime (53113504007) and next prime (53113504019).

It can be written as a sum of positive squares in 2 ways, for example, as 28300323529 + 24813180484 = 168227^2 + 157522^2 .

It is a cyclic number.

It is not a de Polignac number, because 53113504013 - 2⁸ = 53113503757 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 (53113504019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 191870 + ... + 378207.

It is an arithmetic number, because the mean of its divisors is an integer number (13278541815).

Almost surely, 2^53113504013 is an apocalyptic number.

It is an amenable number.

53113504013 is a deficient number, since it is larger than the sum of its proper divisors (663247).

53113504013 is an equidigital number, since it uses as much as digits as its factorization.

53113504013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 663246.

The product of its (nonzero) digits is 2700, while the sum is 26.

The spelling of 53113504013 in words is "fifty-three billion, one hundred thirteen million, five hundred four thousand, thirteen".