2055557089 has 16 divisors (see below), whose sum is σ = 2135218176. Its totient is φ = 1977307200.

The previous prime is 2055557071. The next prime is 2055557093. The reversal of 2055557089 is 9807555502.

It is a cyclic number.

It is not a de Polignac number, because 2055557089 - 2⁷ = 2055556961 is a prime.

It is a super-2 number, since 2×2055557089² = 8450629892276307842, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2055557039) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1278324 + ... + 1279930.

It is an arithmetic number, because the mean of its divisors is an integer number (133451136).

Almost surely, 2^2055557089 is an apocalyptic number.

It is an amenable number.

2055557089 is a deficient number, since it is larger than the sum of its proper divisors (79661087).

2055557089 is a wasteful number, since it uses less digits than its factorization.

2055557089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2016.

The product of its (nonzero) digits is 630000, while the sum is 46.

The square root of 2055557089 is about 45338.2519402767. The cubic root of 2055557089 is about 1271.4809204836.

The spelling of 2055557089 in words is "two billion, fifty-five million, five hundred fifty-seven thousand, eighty-nine".