55669876992 has 216 divisors, whose sum is σ = 167242892544. Its totient is φ = 18468808704.

The previous prime is 55669876963. The next prime is 55669877009. The reversal of 55669876992 is 29967896655.

55669876992 is a `hidden beast` number, since 556 + 6 + 9 + 8 + 7 + 69 + 9 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (216).

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 55669876992.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13870378 + ... + 13874390.

Almost surely, 2^55669876992 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 55669876992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83621446272).

55669876992 is an abundant number, since it is smaller than the sum of its proper divisors (111573015552).

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

55669876992 is an equidigital number, since it uses as much as digits as its factorization.

55669876992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4267 (or 4241 counting only the distinct ones).

The product of its digits is 440899200, while the sum is 72.

The spelling of 55669876992 in words is "fifty-five billion, six hundred sixty-nine million, eight hundred seventy-six thousand, nine hundred ninety-two".