5643001100 has 36 divisors (see below), whose sum is σ = 13358525208. Its totient is φ = 2052000000.

The previous prime is 5643001087. The next prime is 5643001103. The reversal of 5643001100 is 11003465.

It is a super-2 number, since 2×5643001100² = 63686922829202420000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is not an unprimeable number, because it can be changed into a prime (5643001103) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2563901 + ... + 2566100.

Almost surely, 2^5643001100 is an apocalyptic number.

5643001100 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

5643001100 is an abundant number, since it is smaller than the sum of its proper divisors (7715524108).

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

5643001100 is a wasteful number, since it uses less digits than its factorization.

5643001100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5130026 (or 5130019 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 5643001100 is about 75119.9114749212. The cubic root of 5643001100 is about 1780.3417578017.

Adding to 5643001100 its reverse (11003465), we get a palindrome (5654004565).

The spelling of 5643001100 in words is "five billion, six hundred forty-three million, one thousand, one hundred".