2055543580 has 24 divisors (see below), whose sum is σ = 4504322592. Its totient is φ = 786468672.

The previous prime is 2055543533. The next prime is 2055543601. The reversal of 2055543580 is 853455502.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2233827 + ... + 2234746.

It is an arithmetic number, because the mean of its divisors is an integer number (187680108).

Almost surely, 2^2055543580 is an apocalyptic number.

2055543580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055543580 is an abundant number, since it is smaller than the sum of its proper divisors (2448779012).

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

2055543580 is a wasteful number, since it uses less digits than its factorization.

2055543580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4468605 (or 4468603 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 37.

The square root of 2055543580 is about 45338.1029598725. The cubic root of 2055543580 is about 1271.4781351116.

The spelling of 2055543580 in words is "two billion, fifty-five million, five hundred forty-three thousand, five hundred eighty".