5541000000 has 196 divisors, whose sum is σ = 18335390304. Its totient is φ = 1476800000.

The previous prime is 5540999993. The next prime is 5541000019. The reversal of 5541000000 is 1455.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 2999077 + ... + 3000923.

Almost surely, 2^5541000000 is an apocalyptic number.

5541000000 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 5541000000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9167695152).

5541000000 is an abundant number, since it is smaller than the sum of its proper divisors (12794390304).

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

5541000000 is an frugal number, since it uses more digits than its factorization.

5541000000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1892 (or 1857 counting only the distinct ones).

The product of its (nonzero) digits is 100, while the sum is 15.

The square root of 5541000000 is about 74437.8935757857. The cubic root of 5541000000 is about 1769.5495039148.

Adding to 5541000000 its reverse (1455), we get a palindrome (5541001455).

The spelling of 5541000000 in words is "five billion, five hundred forty-one million", and thus it is an aban number.