5539455638 has 4 divisors (see below), whose sum is σ = 8309183460. Its totient is φ = 2769727818.

The previous prime is 5539455601. The next prime is 5539455641. The reversal of 5539455638 is 8365549355.

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

It is a self number, because there is not a number n which added to its sum of digits gives 5539455638.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1384863908 + ... + 1384863911.

It is an arithmetic number, because the mean of its divisors is an integer number (2077295865).

Almost surely, 2^5539455638 is an apocalyptic number.

5539455638 is a deficient number, since it is larger than the sum of its proper divisors (2769727822).

5539455638 is a wasteful number, since it uses less digits than its factorization.

5539455638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769727821.

The product of its digits is 9720000, while the sum is 53.

The square root of 5539455638 is about 74427.5193594412. The cubic root of 5539455638 is about 1769.3850884096.

The spelling of 5539455638 in words is "five billion, five hundred thirty-nine million, four hundred fifty-five thousand, six hundred thirty-eight".