53938656113 has 4 divisors (see below), whose sum is σ = 53940437220. Its totient is φ = 53936875008.

The previous prime is 53938656073. The next prime is 53938656137. The reversal of 53938656113 is 31165683935.

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 8521505344 + 45417150769 = 92312^2 + 213113^2 .

It is a cyclic number.

It is not a de Polignac number, because 53938656113 - 2⁶ = 53938656049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (53938656143) 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, 844328 + ... + 905961.

It is an arithmetic number, because the mean of its divisors is an integer number (13485109305).

Almost surely, 2^53938656113 is an apocalyptic number.

It is an amenable number.

53938656113 is a deficient number, since it is larger than the sum of its proper divisors (1781107).

53938656113 is a wasteful number, since it uses less digits than its factorization.

53938656113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1781106.

The product of its digits is 1749600, while the sum is 50.

The spelling of 53938656113 in words is "fifty-three billion, nine hundred thirty-eight million, six hundred fifty-six thousand, one hundred thirteen".