5591647026 has 128 divisors (see below), whose sum is σ = 14470156800. Its totient is φ = 1567641600.

The previous prime is 5591646997. The next prime is 5591647037. The reversal of 5591647026 is 6207461955.

5591647026 is a `hidden beast` number, since 559 + 1 + 6 + 4 + 70 + 26 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4655226 + ... + 4656426.

It is an arithmetic number, because the mean of its divisors is an integer number (113048100).

Almost surely, 2^5591647026 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5591647026, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7235078400).

5591647026 is an abundant number, since it is smaller than the sum of its proper divisors (8878509774).

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

5591647026 is a wasteful number, since it uses less digits than its factorization.

5591647026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441 (or 1435 counting only the distinct ones).

The product of its (nonzero) digits is 453600, while the sum is 45.

The square root of 5591647026 is about 74777.3162529921. The cubic root of 5591647026 is about 1774.9246309068.

The spelling of 5591647026 in words is "five billion, five hundred ninety-one million, six hundred forty-seven thousand, twenty-six".