6821050550 has 12 divisors (see below), whose sum is σ = 12687154116. Its totient is φ = 2728420200.

The previous prime is 6821050549. The next prime is 6821050571. The reversal of 6821050550 is 550501286.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68210456 + ... + 68210555.

It is an arithmetic number, because the mean of its divisors is an integer number (1057262843).

Almost surely, 2^6821050550 is an apocalyptic number.

6821050550 is a deficient number, since it is larger than the sum of its proper divisors (5866103566).

6821050550 is a wasteful number, since it uses less digits than its factorization.

6821050550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136421023 (or 136421018 counting only the distinct ones).

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 6821050550 is about 82589.6515914676. The cubic root of 6821050550 is about 1896.4894132238.

The spelling of 6821050550 in words is "six billion, eight hundred twenty-one million, fifty thousand, five hundred fifty".