505050055050 has 24 divisors (see below), whose sum is σ = 1252524136896. Its totient is φ = 134680014640.

The previous prime is 505050055007. The next prime is 505050055051. The reversal of 505050055050 is 50550050505.

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 = 505050054999 and 505050055017.

It is not an unprimeable number, because it can be changed into a prime (505050055051) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1683500034 + ... + 1683500333.

It is an arithmetic number, because the mean of its divisors is an integer number (52188505704).

Almost surely, 2^505050055050 is an apocalyptic number.

505050055050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505050055050 is an abundant number, since it is smaller than the sum of its proper divisors (747474081846).

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

505050055050 is a wasteful number, since it uses less digits than its factorization.

505050055050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367000382 (or 3367000377 counting only the distinct ones).

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

The spelling of 505050055050 in words is "five hundred five billion, fifty million, fifty-five thousand, fifty".