805800530550 has 24 divisors (see below), whose sum is σ = 1998385316136. Its totient is φ = 214880141440.

The previous prime is 805800530527. The next prime is 805800530569. The reversal of 805800530550 is 55035008508.

It is a super-2 number, since 2×805800530550² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 805800530499 and 805800530508.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2686001619 + ... + 2686001918.

It is an arithmetic number, because the mean of its divisors is an integer number (83266054839).

Almost surely, 2^805800530550 is an apocalyptic number.

805800530550 is an abundant number, since it is smaller than the sum of its proper divisors (1192584785586).

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

805800530550 is a wasteful number, since it uses less digits than its factorization.

805800530550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372003552 (or 5372003547 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 39.

The spelling of 805800530550 in words is "eight hundred five billion, eight hundred million, five hundred thirty thousand, five hundred fifty".