2005570550 has 48 divisors (see below), whose sum is σ = 3783976560. Its totient is φ = 790776960.

The previous prime is 2005570543. The next prime is 2005570573. The reversal of 2005570550 is 550755002.

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 23 ways as a sum of consecutive naturals, for example, 1224332 + ... + 1225968.

It is an arithmetic number, because the mean of its divisors is an integer number (78832845).

Almost surely, 2^2005570550 is an apocalyptic number.

2005570550 is a deficient number, since it is larger than the sum of its proper divisors (1778406010).

2005570550 is a wasteful number, since it uses less digits than its factorization.

2005570550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1985 (or 1980 counting only the distinct ones).

The product of its (nonzero) digits is 8750, while the sum is 29.

The square root of 2005570550 is about 44783.5968854669. The cubic root of 2005570550 is about 1261.0897077551.

The spelling of 2005570550 in words is "two billion, five million, five hundred seventy thousand, five hundred fifty".