5543044400 has 60 divisors (see below), whose sum is σ = 13346744712. Its totient is φ = 2212293120.

The previous prime is 5543044399. The next prime is 5543044421. The reversal of 5543044400 is 44403455.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167639 + ... + 197961.

Almost surely, 2^5543044400 is an apocalyptic number.

5543044400 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5543044400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6673372356).

5543044400 is an abundant number, since it is smaller than the sum of its proper divisors (7803700312).

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

5543044400 is a wasteful number, since it uses less digits than its factorization.

5543044400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30798 (or 30787 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 29.

The square root of 5543044400 is about 74451.6245625305. The cubic root of 5543044400 is about 1769.7671073663.

Adding to 5543044400 its reverse (44403455), we get a palindrome (5587447855).

The spelling of 5543044400 in words is "five billion, five hundred forty-three million, forty-four thousand, four hundred".