55079999999992 has 64 divisors (see below), whose sum is σ = 114539859203040. Its totient is φ = 24619635110400.

The previous prime is 55079999999891. The next prime is 55079999999993. The reversal of 55079999999992 is 29999999997055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55079999999993) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19716678 + ... + 22336234.

Almost surely, 2^{55079999999992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55079999999992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57269929601520).

55079999999992 is an abundant number, since it is smaller than the sum of its proper divisors (59459859203048).

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

55079999999992 is a wasteful number, since it uses less digits than its factorization.

55079999999992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2623552 (or 2623548 counting only the distinct ones).

The product of its (nonzero) digits is 135597171150, while the sum is 100.

The spelling of 55079999999992 in words is "fifty-five trillion, seventy-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred ninety-two".