54699966621108 has 36 divisors (see below), whose sum is σ = 138306539585760. Its totient is φ = 18228419413776.

The previous prime is 54699966621077. The next prime is 54699966621121. The reversal of 54699966621108 is 80112666999645.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×54699966621108² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 204147310 + ... + 204415077.

Almost surely, 2^{54699966621108} is an apocalyptic number.

It is an amenable number.

54699966621108 is an abundant number, since it is smaller than the sum of its proper divisors (83606572964652).

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

54699966621108 is a wasteful number, since it uses less digits than its factorization.

54699966621108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408566116 (or 408566111 counting only the distinct ones).

The product of its (nonzero) digits is 302330880, while the sum is 72.

The spelling of 54699966621108 in words is "fifty-four trillion, six hundred ninety-nine billion, nine hundred sixty-six million, six hundred twenty-one thousand, one hundred eight".