50505550000050 has 48 divisors (see below), whose sum is σ = 125408589720480. Its totient is φ = 13451498739840.

The previous prime is 50505550000043. The next prime is 50505550000067. The reversal of 50505550000050 is 5000005550505.

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 50505549999972 and 50505550000017.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 207977332 + ... + 208220031.

It is an arithmetic number, because the mean of its divisors is an integer number (2612678952510).

Almost surely, 2^{50505550000050} is an apocalyptic number.

50505550000050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

50505550000050 is an abundant number, since it is smaller than the sum of its proper divisors (74903039720430).

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

50505550000050 is a wasteful number, since it uses less digits than its factorization.

50505550000050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 416198187 (or 416198182 counting only the distinct ones).

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

Adding to 50505550000050 its reverse (5000005550505), we get a palindrome (55505555550555).

The spelling of 50505550000050 in words is "fifty trillion, five hundred five billion, five hundred fifty million, fifty", and thus it is an aban number.