5541138964 has 24 divisors (see below), whose sum is σ = 9821078568. Its totient is φ = 2735308800.

The previous prime is 5541138947. The next prime is 5541138997. The reversal of 5541138964 is 4698311455.

It can be written as a sum of positive squares in 4 ways, for example, as 705327364 + 4835811600 = 26558^2 + 69540^2 .

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, 92314 + ... + 140014.

It is an arithmetic number, because the mean of its divisors is an integer number (409211607).

Almost surely, 2^5541138964 is an apocalyptic number.

It is an amenable number.

5541138964 is a deficient number, since it is larger than the sum of its proper divisors (4279939604).

5541138964 is a wasteful number, since it uses less digits than its factorization.

5541138964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48075 (or 48073 counting only the distinct ones).

The product of its digits is 518400, while the sum is 46.

The square root of 5541138964 is about 74438.8269923701. The cubic root of 5541138964 is about 1769.5642967694.

The spelling of 5541138964 in words is "five billion, five hundred forty-one million, one hundred thirty-eight thousand, nine hundred sixty-four".