53315625313 has 4 divisors (see below), whose sum is σ = 53330369220. Its totient is φ = 53300881408.

The previous prime is 53315625287. The next prime is 53315625383. The reversal of 53315625313 is 31352651335.

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 25482375424 + 27833249889 = 159632^2 + 166833^2 .

It is a cyclic number.

It is not a de Polignac number, because 53315625313 - 2⁵ = 53315625281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53315625383) 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, 7366528 + ... + 7373761.

It is an arithmetic number, because the mean of its divisors is an integer number (13332592305).

Almost surely, 2^53315625313 is an apocalyptic number.

It is an amenable number.

53315625313 is a deficient number, since it is larger than the sum of its proper divisors (14743907).

53315625313 is a wasteful number, since it uses less digits than its factorization.

53315625313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14743906.

The product of its digits is 121500, while the sum is 37.

The spelling of 53315625313 in words is "fifty-three billion, three hundred fifteen million, six hundred twenty-five thousand, three hundred thirteen".