54688639132 has 24 divisors (see below), whose sum is σ = 100749980240. Its totient is φ = 25903152000.

The previous prime is 54688639123. The next prime is 54688639153. The reversal of 54688639132 is 23193688645.

It is a super-2 number, since 2×54688639132² (a number of 22 digits) contains 22 as substring.

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, 1567882 + ... + 1602382.

Almost surely, 2^54688639132 is an apocalyptic number.

It is an amenable number.

54688639132 is a deficient number, since it is larger than the sum of its proper divisors (46061341108).

54688639132 is a wasteful number, since it uses less digits than its factorization.

54688639132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55381 (or 55379 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 55.

The spelling of 54688639132 in words is "fifty-four billion, six hundred eighty-eight million, six hundred thirty-nine thousand, one hundred thirty-two".