2055543600 has 120 divisors (see below), whose sum is σ = 7183236672. Its totient is φ = 498310400.

The previous prime is 2055543533. The next prime is 2055543601. The reversal of 2055543600 is 63455502.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (2055543601) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 64662 + ... + 91061.

Almost surely, 2^2055543600 is an apocalyptic number.

2055543600 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2055543600 is an abundant number, since it is smaller than the sum of its proper divisors (5127693072).

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

2055543600 is a wasteful number, since it uses less digits than its factorization.

2055543600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155755 (or 155744 counting only the distinct ones).

The product of its (nonzero) digits is 18000, while the sum is 30.

The square root of 2055543600 is about 45338.1031804375. The cubic root of 2055543600 is about 1271.4781392354.

The spelling of 2055543600 in words is "two billion, fifty-five million, five hundred forty-three thousand, six hundred".