53112345013 has 32 divisors (see below), whose sum is σ = 69245971200. Its totient is φ = 39532907520.

The previous prime is 53112344953. The next prime is 53112345019. The reversal of 53112345013 is 31054321135.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53112345013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53112345019) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4048138 + ... + 4061236.

It is an arithmetic number, because the mean of its divisors is an integer number (2163936600).

Almost surely, 2^53112345013 is an apocalyptic number.

It is an amenable number.

53112345013 is a deficient number, since it is larger than the sum of its proper divisors (16133626187).

53112345013 is a wasteful number, since it uses less digits than its factorization.

53112345013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15757.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 53112345013 its reverse (31054321135), we get a palindrome (84166666148).

The spelling of 53112345013 in words is "fifty-three billion, one hundred twelve million, three hundred forty-five thousand, thirteen".