53279813688 has 128 divisors (see below), whose sum is σ = 137224627200. Its totient is φ = 17233965056.

The previous prime is 53279813669. The next prime is 53279813693. The reversal of 53279813688 is 88631897235.

53279813688 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-4 number, since 4×53279813688⁴ (a number of 44 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25825345 + ... + 25827407.

It is an arithmetic number, because the mean of its divisors is an integer number (1072067400).

Almost surely, 2^53279813688 is an apocalyptic number.

It is an amenable number.

53279813688 is an abundant number, since it is smaller than the sum of its proper divisors (83944813512).

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

53279813688 is a wasteful number, since it uses less digits than its factorization.

53279813688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2381 (or 2377 counting only the distinct ones).

The product of its digits is 17418240, while the sum is 60.

The spelling of 53279813688 in words is "fifty-three billion, two hundred seventy-nine million, eight hundred thirteen thousand, six hundred eighty-eight".