5543545440 has 48 divisors (see below), whose sum is σ = 17462169648. Its totient is φ = 1478278656.

The previous prime is 5543545439. The next prime is 5543545459. The reversal of 5543545440 is 445453455.

It is a tau number, because it is divible by the number of its divisors (48).

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, 5774047 + ... + 5775006.

It is an arithmetic number, because the mean of its divisors is an integer number (363795201).

Almost surely, 2^5543545440 is an apocalyptic number.

It is an amenable number.

5543545440 is an abundant number, since it is smaller than the sum of its proper divisors (11918624208).

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

5543545440 is a wasteful number, since it uses less digits than its factorization.

5543545440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11549071 (or 11549063 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 39.

The square root of 5543545440 is about 74454.9893559861. The cubic root of 5543545440 is about 1769.8204292914.

Adding to 5543545440 its reverse (445453455), we get a palindrome (5988998895).

The spelling of 5543545440 in words is "five billion, five hundred forty-three million, five hundred forty-five thousand, four hundred forty".