505600655250 has 64 divisors (see below), whose sum is σ = 1288829947392. Its totient is φ = 131958176000.

The previous prime is 505600655227. The next prime is 505600655251. The reversal of 505600655250 is 52556006505.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 505600655199 and 505600655208.

It is not an unprimeable number, because it can be changed into a prime (505600655251) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7136391 + ... + 7206890.

It is an arithmetic number, because the mean of its divisors is an integer number (20137967928).

Almost surely, 2^505600655250 is an apocalyptic number.

505600655250 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

505600655250 is an abundant number, since it is smaller than the sum of its proper divisors (783229292142).

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

505600655250 is a wasteful number, since it uses less digits than its factorization.

505600655250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14343348 (or 14343338 counting only the distinct ones).

The product of its (nonzero) digits is 225000, while the sum is 39.

The spelling of 505600655250 in words is "five hundred five billion, six hundred million, six hundred fifty-five thousand, two hundred fifty".