53943013853 has 16 divisors (see below), whose sum is σ = 55652534784. Its totient is φ = 52259562240.

The previous prime is 53943013849. The next prime is 53943013897. The reversal of 53943013853 is 35831034935.

It is a cyclic number.

It is not a de Polignac number, because 53943013853 - 2² = 53943013849 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 (53943013253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1877351 + ... + 1905867.

It is an arithmetic number, because the mean of its divisors is an integer number (3478283424).

Almost surely, 2^53943013853 is an apocalyptic number.

It is an amenable number.

53943013853 is a deficient number, since it is larger than the sum of its proper divisors (1709520931).

53943013853 is a wasteful number, since it uses less digits than its factorization.

53943013853 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28972.

The product of its (nonzero) digits is 583200, while the sum is 44.

The spelling of 53943013853 in words is "fifty-three billion, nine hundred forty-three million, thirteen thousand, eight hundred fifty-three".