55050505050 has 24 divisors (see below), whose sum is σ = 136525252896. Its totient is φ = 14680134640.

The previous prime is 55050505049. The next prime is 55050505063. The reversal of 55050505050 is 5050505055.

It is a Harshad number since it is a multiple of its sum of digits (30).

55050505050 is a modest number, since divided by 505050 gives 55050 as remainder.

It is a junction number, because it is equal to n+sod(n) for n = 55050504999 and 55050505017.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 183501534 + ... + 183501833.

It is an arithmetic number, because the mean of its divisors is an integer number (5688552204).

Almost surely, 2^55050505050 is an apocalyptic number.

55050505050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

55050505050 is an abundant number, since it is smaller than the sum of its proper divisors (81474747846).

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

55050505050 is a wasteful number, since it uses less digits than its factorization.

55050505050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 367003382 (or 367003377 counting only the distinct ones).

The product of its (nonzero) digits is 15625, while the sum is 30.

The spelling of 55050505050 in words is "fifty-five billion, fifty million, five hundred five thousand, fifty".