5543615554 has 4 divisors (see below), whose sum is σ = 8315423334. Its totient is φ = 2771807776.

The previous prime is 5543615543. The next prime is 5543615573. The reversal of 5543615554 is 4555163455.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 4805678329 + 737937225 = 69323^2 + 27165^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 5543615554.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1385903887 + ... + 1385903890.

Almost surely, 2^5543615554 is an apocalyptic number.

5543615554 is a deficient number, since it is larger than the sum of its proper divisors (2771807780).

5543615554 is a wasteful number, since it uses less digits than its factorization.

5543615554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2771807779.

The product of its digits is 900000, while the sum is 43.

The square root of 5543615554 is about 74455.4602027279. The cubic root of 5543615554 is about 1769.8278907417.

The spelling of 5543615554 in words is "five billion, five hundred forty-three million, six hundred fifteen thousand, five hundred fifty-four".