55065689154 has 192 divisors, whose sum is σ = 151587072000. Its totient is φ = 14084015616.

The previous prime is 55065689137. The next prime is 55065689167. The reversal of 55065689154 is 45198656055.

55065689154 is a `hidden beast` number, since 5 + 506 + 5 + 6 + 89 + 1 + 54 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 55065689154.

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 95 ways as a sum of consecutive naturals, for example, 4564122 + ... + 4576170.

It is an arithmetic number, because the mean of its divisors is an integer number (789516000).

Almost surely, 2^55065689154 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 55065689154, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75793536000).

55065689154 is an abundant number, since it is smaller than the sum of its proper divisors (96521382846).

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

55065689154 is a wasteful number, since it uses less digits than its factorization.

55065689154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12189 (or 12186 counting only the distinct ones).

The product of its (nonzero) digits is 6480000, while the sum is 54.

The spelling of 55065689154 in words is "fifty-five billion, sixty-five million, six hundred eighty-nine thousand, one hundred fifty-four".