2055521033 has 4 divisors (see below), whose sum is σ = 2056144788. Its totient is φ = 2054897280.

The previous prime is 2055521029. The next prime is 2055521089. The reversal of 2055521033 is 3301255502.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 891141904 + 1164379129 = 29852^2 + 34123^2 .

It is a cyclic number.

It is not a de Polignac number, because 2055521033 - 2² = 2055521029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2055520993 and 2055521011.

It is not an unprimeable number, because it can be changed into a prime (2055521333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 306908 + ... + 313533.

It is an arithmetic number, because the mean of its divisors is an integer number (514036197).

Almost surely, 2^2055521033 is an apocalyptic number.

It is an amenable number.

2055521033 is a deficient number, since it is larger than the sum of its proper divisors (623755).

2055521033 is an equidigital number, since it uses as much as digits as its factorization.

2055521033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 623754.

The product of its (nonzero) digits is 4500, while the sum is 26.

The square root of 2055521033 is about 45337.8543052050. The cubic root of 2055521033 is about 1271.4734861998.

Adding to 2055521033 its reverse (3301255502), we get a palindrome (5356776535).

The spelling of 2055521033 in words is "two billion, fifty-five million, five hundred twenty-one thousand, thirty-three".