5541961420 has 48 divisors (see below), whose sum is σ = 12308889600. Its totient is φ = 2090128320.

The previous prime is 5541961387. The next prime is 5541961441. The reversal of 5541961420 is 241691455.

It is a self number, because there is not a number n which added to its sum of digits gives 5541961420.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45621 + ... + 114739.

It is an arithmetic number, because the mean of its divisors is an integer number (256435200).

Almost surely, 2^5541961420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5541961420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6154444800).

5541961420 is an abundant number, since it is smaller than the sum of its proper divisors (6766928180).

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

5541961420 is a wasteful number, since it uses less digits than its factorization.

5541961420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69358 (or 69356 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 37.

The square root of 5541961420 is about 74444.3511624623. The cubic root of 5541961420 is about 1769.6518429569.

The spelling of 5541961420 in words is "five billion, five hundred forty-one million, nine hundred sixty-one thousand, four hundred twenty".