2055221952 has 112 divisors (see below), whose sum is σ = 6226405632. Its totient is φ = 586091520.

The previous prime is 2055221843. The next prime is 2055221977. The reversal of 2055221952 is 2591225502.

It is a tau number, because it is divible by the number of its divisors (112).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 927598 + ... + 929810.

Almost surely, 2^2055221952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2055221952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3113202816).

2055221952 is an abundant number, since it is smaller than the sum of its proper divisors (4171183680).

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

2055221952 is a wasteful number, since it uses less digits than its factorization.

2055221952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926 (or 2916 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 2055221952 is about 45334.5558266539. Note that the first 3 decimals coincide. The cubic root of 2055221952 is about 1271.4118161901.

The spelling of 2055221952 in words is "two billion, fifty-five million, two hundred twenty-one thousand, nine hundred fifty-two".