5541566004 has 72 divisors (see below), whose sum is σ = 15436252832. Its totient is φ = 1665437760.

The previous prime is 5541565957. The next prime is 5541566029. The reversal of 5541566004 is 4006651455.

5541566004 is a `hidden beast` number, since 5 + 5 + 41 + 5 + 6 + 600 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 5541566004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117562 + ... + 157809.

Almost surely, 2^5541566004 is an apocalyptic number.

It is an amenable number.

5541566004 is an abundant number, since it is smaller than the sum of its proper divisors (9894686828).

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

5541566004 is a wasteful number, since it uses less digits than its factorization.

5541566004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275437 (or 275432 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 5541566004 is about 74441.6953326561. The cubic root of 5541566004 is about 1769.6097540500.

The spelling of 5541566004 in words is "five billion, five hundred forty-one million, five hundred sixty-six thousand, four".