2005552056 has 16 divisors (see below), whose sum is σ = 5013880200. Its totient is φ = 668517344.

The previous prime is 2005552027. The next prime is 2005552093. The reversal of 2005552056 is 6502555002.

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 3 ways as a sum of consecutive naturals, for example, 41782311 + ... + 41782358.

Almost surely, 2^2005552056 is an apocalyptic number.

It is an amenable number.

2005552056 is an abundant number, since it is smaller than the sum of its proper divisors (3008328144).

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

2005552056 is a wasteful number, since it uses less digits than its factorization.

2005552056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83564678 (or 83564674 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 2005552056 is about 44783.3904031394. The cubic root of 2005552056 is about 1261.0858314409.

The spelling of 2005552056 in words is "two billion, five million, five hundred fifty-two thousand, fifty-six".