53939317720 has 32 divisors (see below), whose sum is σ = 121375512720. Its totient is φ = 21573585280.

The previous prime is 53939317709. The next prime is 53939317739. The reversal of 53939317720 is 2771393935.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 377475 + ... + 500365.

Almost surely, 2^53939317720 is an apocalyptic number.

It is an amenable number.

53939317720 is an abundant number, since it is smaller than the sum of its proper divisors (67436195000).

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

53939317720 is a wasteful number, since it uses less digits than its factorization.

53939317720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133875 (or 133871 counting only the distinct ones).

The product of its (nonzero) digits is 1071630, while the sum is 49.

The spelling of 53939317720 in words is "fifty-three billion, nine hundred thirty-nine million, three hundred seventeen thousand, seven hundred twenty".