5205520450250 has 32 divisors (see below), whose sum is σ = 9748496489472. Its totient is φ = 2081404290000.

The previous prime is 5205520450223. The next prime is 5205520450303. The reversal of 5205520450250 is 520540255025.

It is a self number, because there is not a number n which added to its sum of digits gives 5205520450250.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3370406 + ... + 4665905.

It is an arithmetic number, because the mean of its divisors is an integer number (304640515296).

Almost surely, 2^{5205520450250} is an apocalyptic number.

5205520450250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

5205520450250 is a deficient number, since it is larger than the sum of its proper divisors (4542976039222).

5205520450250 is a wasteful number, since it uses less digits than its factorization.

5205520450250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8038919 (or 8038909 counting only the distinct ones).

The product of its (nonzero) digits is 100000, while the sum is 35.

The spelling of 5205520450250 in words is "five trillion, two hundred five billion, five hundred twenty million, four hundred fifty thousand, two hundred fifty".