5991615552 has 112 divisors (see below), whose sum is σ = 17814706560. Its totient is φ = 1763401728.

The previous prime is 5991615467. The next prime is 5991615559. The reversal of 5991615552 is 2555161995.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (5991615559) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5224 + ... + 109592.

It is an arithmetic number, because the mean of its divisors is an integer number (159059880).

Almost surely, 2^5991615552 is an apocalyptic number.

5991615552 is a gapful number since it is divisible by the number (52) 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 5991615552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8907353280).

5991615552 is an abundant number, since it is smaller than the sum of its proper divisors (11823091008).

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

5991615552 is a wasteful number, since it uses less digits than its factorization.

5991615552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104420 (or 104410 counting only the distinct ones).

The product of its digits is 607500, while the sum is 48.

The square root of 5991615552 is about 77405.5266243955. The cubic root of 5991615552 is about 1816.2737786435.

The spelling of 5991615552 in words is "five billion, nine hundred ninety-one million, six hundred fifteen thousand, five hundred fifty-two".