5539613856 has 144 divisors (see below), whose sum is σ = 17806188960. Its totient is φ = 1499420160.

The previous prime is 5539613819. The next prime is 5539613867. The reversal of 5539613856 is 6583169355.

It is a junction number, because it is equal to n+sod(n) for n = 5539613799 and 5539613808.

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, 58386 + ... + 120366.

It is an arithmetic number, because the mean of its divisors is an integer number (123654090).

Almost surely, 2^5539613856 is an apocalyptic number.

5539613856 is a gapful number since it is divisible by the number (56) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5539613856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8903094480).

5539613856 is an abundant number, since it is smaller than the sum of its proper divisors (12266575104).

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

5539613856 is a wasteful number, since it uses less digits than its factorization.

5539613856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62027 (or 62012 counting only the distinct ones).

The product of its digits is 2916000, while the sum is 51.

The square root of 5539613856 is about 74428.5822517130. The cubic root of 5539613856 is about 1769.4019339821.

The spelling of 5539613856 in words is "five billion, five hundred thirty-nine million, six hundred thirteen thousand, eight hundred fifty-six".