2006553550 has 12 divisors (see below), whose sum is σ = 3732189696. Its totient is φ = 802621400.

The previous prime is 2006553541. The next prime is 2006553551. The reversal of 2006553550 is 553556002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2006553551) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 20065486 + ... + 20065585.

It is an arithmetic number, because the mean of its divisors is an integer number (311015808).

Almost surely, 2^2006553550 is an apocalyptic number.

2006553550 is a deficient number, since it is larger than the sum of its proper divisors (1725636146).

2006553550 is a wasteful number, since it uses less digits than its factorization.

2006553550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40131083 (or 40131078 counting only the distinct ones).

The product of its (nonzero) digits is 22500, while the sum is 31.

The square root of 2006553550 is about 44794.5705415288. The cubic root of 2006553550 is about 1261.2957087699.

The spelling of 2006553550 in words is "two billion, six million, five hundred fifty-three thousand, five hundred fifty".