54530235013 has 4 divisors (see below), whose sum is σ = 54768358540. Its totient is φ = 54292111488.

The previous prime is 54530235007. The next prime is 54530235031. The reversal of 54530235013 is 31053203545.

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 50266536804 + 4263698209 = 224202^2 + 65297^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54530235013 is a prime.

It is a super-2 number, since 2×54530235013² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54530235413) 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, 119061420 + ... + 119061877.

It is an arithmetic number, because the mean of its divisors is an integer number (13692089635).

Almost surely, 2^54530235013 is an apocalyptic number.

It is an amenable number.

54530235013 is a deficient number, since it is larger than the sum of its proper divisors (238123527).

54530235013 is a wasteful number, since it uses less digits than its factorization.

54530235013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238123526.

The product of its (nonzero) digits is 27000, while the sum is 31.

Adding to 54530235013 its reverse (31053203545), we get a palindrome (85583438558).

The spelling of 54530235013 in words is "fifty-four billion, five hundred thirty million, two hundred thirty-five thousand, thirteen".