5539798656 has 320 divisors, whose sum is σ = 19360154880. Its totient is φ = 1539274752.

The previous prime is 5539798603. The next prime is 5539798697. The reversal of 5539798656 is 6568979355.

5539798656 is a `hidden beast` number, since 5 + 539 + 7 + 98 + 6 + 5 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a junction number, because it is equal to n+sod(n) for n = 5539798593 and 5539798602.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2684281 + ... + 2686343.

It is an arithmetic number, because the mean of its divisors is an integer number (60500484).

Almost surely, 2^5539798656 is an apocalyptic number.

5539798656 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 5539798656, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9680077440).

5539798656 is an abundant number, since it is smaller than the sum of its proper divisors (13820356224).

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

5539798656 is a wasteful number, since it uses less digits than its factorization.

5539798656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2133 (or 2112 counting only the distinct ones).

The product of its digits is 61236000, while the sum is 63.

The square root of 5539798656 is about 74429.8236999121. The cubic root of 5539798656 is about 1769.4216093512.

The spelling of 5539798656 in words is "five billion, five hundred thirty-nine million, seven hundred ninety-eight thousand, six hundred fifty-six".