53789408646 has 16 divisors (see below), whose sum is σ = 107665799664. Its totient is φ = 17915305824.

The previous prime is 53789408639. The next prime is 53789408693. The reversal of 53789408646 is 64680498735.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 53789408646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3616225 + ... + 3631068.

It is an arithmetic number, because the mean of its divisors is an integer number (6729112479).

Almost surely, 2^53789408646 is an apocalyptic number.

53789408646 is an abundant number, since it is smaller than the sum of its proper divisors (53876391018).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

53789408646 is a wasteful number, since it uses less digits than its factorization.

53789408646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7248535.

The product of its (nonzero) digits is 34836480, while the sum is 60.

The spelling of 53789408646 in words is "fifty-three billion, seven hundred eighty-nine million, four hundred eight thousand, six hundred forty-six".