54639705688 has 16 divisors (see below), whose sum is σ = 102454596360. Its totient is φ = 27318480000.

The previous prime is 54639705667. The next prime is 54639705691. The reversal of 54639705688 is 88650793645.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8688 + ... + 330688.

Almost surely, 2^54639705688 is an apocalyptic number.

It is an amenable number.

54639705688 is a deficient number, since it is larger than the sum of its proper divisors (47814890672).

54639705688 is a wasteful number, since it uses less digits than its factorization.

54639705688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343218 (or 343214 counting only the distinct ones).

The product of its (nonzero) digits is 43545600, while the sum is 61.

The spelling of 54639705688 in words is "fifty-four billion, six hundred thirty-nine million, seven hundred five thousand, six hundred eighty-eight".