831905500550 has 24 divisors (see below), whose sum is σ = 1557199941456. Its totient is φ = 330642692640.

The previous prime is 831905500541. The next prime is 831905500669. The reversal of 831905500550 is 55005509138.

It is a junction number, because it is equal to n+sod(n) for n = 831905500498 and 831905500507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 52979762 + ... + 52995461.

It is an arithmetic number, because the mean of its divisors is an integer number (64883330894).

Almost surely, 2^831905500550 is an apocalyptic number.

831905500550 is a deficient number, since it is larger than the sum of its proper divisors (725294440906).

831905500550 is a wasteful number, since it uses less digits than its factorization.

831905500550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105975392 (or 105975387 counting only the distinct ones).

The product of its (nonzero) digits is 135000, while the sum is 41.

The spelling of 831905500550 in words is "eight hundred thirty-one billion, nine hundred five million, five hundred thousand, five hundred fifty".