505550005050 has 96 divisors (see below), whose sum is σ = 1299046266432. Its totient is φ = 130008775680.

The previous prime is 505550005039. The next prime is 505550005159. The reversal of 505550005050 is 50500055505.

505550005050 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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

It is a junction number, because it is equal to n+sod(n) for n = 505550004999 and 505550005017.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 224097 + ... + 1030203.

It is an arithmetic number, because the mean of its divisors is an integer number (13531731942).

Almost surely, 2^505550005050 is an apocalyptic number.

505550005050 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 505550005050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (649523133216).

505550005050 is an abundant number, since it is smaller than the sum of its proper divisors (793496261382).

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

505550005050 is a wasteful number, since it uses less digits than its factorization.

505550005050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806272 (or 806267 counting only the distinct ones).

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

The spelling of 505550005050 in words is "five hundred five billion, five hundred fifty million, five thousand, fifty".