55100050050 has 96 divisors (see below), whose sum is σ = 144002033280. Its totient is φ = 13915264000.

The previous prime is 55100050007. The next prime is 55100050063. The reversal of 55100050050 is 5005000155.

It is a junction number, because it is equal to n+sod(n) for n = 55100049999 and 55100050026.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 269386 + ... + 427514.

It is an arithmetic number, because the mean of its divisors is an integer number (1500021180).

Almost surely, 2^55100050050 is an apocalyptic number.

55100050050 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 55100050050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72001016640).

55100050050 is an abundant number, since it is smaller than the sum of its proper divisors (88901983230).

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

55100050050 is a wasteful number, since it uses less digits than its factorization.

55100050050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158268 (or 158263 counting only the distinct ones).

The product of its (nonzero) digits is 625, while the sum is 21.

The spelling of 55100050050 in words is "fifty-five billion, one hundred million, fifty thousand, fifty".