55385886150 has 144 divisors (see below), whose sum is σ = 171713128704. Its totient is φ = 12536648640.

The previous prime is 55385886133. The next prime is 55385886173. The reversal of 55385886150 is 5168858355.

It is a happy number.

55385886150 is a `hidden beast` number, since 5 + 5 + 3 + 8 + 588 + 6 + 1 + 50 = 666.

It is a congruent number.

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 71 ways as a sum of consecutive naturals, for example, 239097 + ... + 409803.

Almost surely, 2^55385886150 is an apocalyptic number.

55385886150 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 55385886150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85856564352).

55385886150 is an abundant number, since it is smaller than the sum of its proper divisors (116327242554).

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

55385886150 is a wasteful number, since it uses less digits than its factorization.

55385886150 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 170835 (or 170827 counting only the distinct ones).

The product of its (nonzero) digits is 5760000, while the sum is 54.

The spelling of 55385886150 in words is "fifty-five billion, three hundred eighty-five million, eight hundred eighty-six thousand, one hundred fifty".