53859915989 has 8 divisors (see below), whose sum is σ = 59108107968. Its totient is φ = 48670363360.

The previous prime is 53859915953. The next prime is 53859915997. The reversal of 53859915989 is 98951995835.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-53859915989 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 (53859912989) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14657912 + ... + 14661585.

It is an arithmetic number, because the mean of its divisors is an integer number (7388513496).

Almost surely, 2^53859915989 is an apocalyptic number.

It is an amenable number.

53859915989 is a deficient number, since it is larger than the sum of its proper divisors (5248191979).

53859915989 is a wasteful number, since it uses less digits than its factorization.

53859915989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29319675.

The product of its digits is 157464000, while the sum is 71.

The spelling of 53859915989 in words is "fifty-three billion, eight hundred fifty-nine million, nine hundred fifteen thousand, nine hundred eighty-nine".