54688661692 has 24 divisors (see below), whose sum is σ = 110504930144. Its totient is φ = 23196367872.

The previous prime is 54688661689. The next prime is 54688661707. The reversal of 54688661692 is 29616688645.

It is a self number, because there is not a number n which added to its sum of digits gives 54688661692.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10065153 + ... + 10070584.

Almost surely, 2^54688661692 is an apocalyptic number.

It is an amenable number.

54688661692 is an abundant number, since it is smaller than the sum of its proper divisors (55816268452).

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

54688661692 is a wasteful number, since it uses less digits than its factorization.

54688661692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20135845 (or 20135843 counting only the distinct ones).

The product of its digits is 29859840, while the sum is 61.

The spelling of 54688661692 in words is "fifty-four billion, six hundred eighty-eight million, six hundred sixty-one thousand, six hundred ninety-two".