2055521885 has 8 divisors (see below), whose sum is σ = 2551682520. Its totient is φ = 1587713344.

The previous prime is 2055521873. The next prime is 2055521887. The reversal of 2055521885 is 5881255502.

It can be written as a sum of positive squares in 4 ways, for example, as 502925476 + 1552596409 = 22426^2 + 39403^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2055521885 - 2¹⁸ = 2055259741 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2055521887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7087862 + ... + 7088151.

It is an arithmetic number, because the mean of its divisors is an integer number (318960315).

Almost surely, 2^2055521885 is an apocalyptic number.

It is an amenable number.

2055521885 is a deficient number, since it is larger than the sum of its proper divisors (496160635).

2055521885 is a wasteful number, since it uses less digits than its factorization.

2055521885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14176047.

The product of its (nonzero) digits is 160000, while the sum is 41.

The square root of 2055521885 is about 45337.8637013258. The cubic root of 2055521885 is about 1271.4736618723.

The spelling of 2055521885 in words is "two billion, fifty-five million, five hundred twenty-one thousand, eight hundred eighty-five".