5591748538 has 8 divisors (see below), whose sum is σ = 8416250388. Its totient is φ = 2786331744.

The previous prime is 5591748521. The next prime is 5591748553. The reversal of 5591748538 is 8358471955.

It can be written as a sum of positive squares in 2 ways, for example, as 4243610449 + 1348138089 = 65143^2 + 36717^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4770531 + ... + 4771702.

Almost surely, 2^5591748538 is an apocalyptic number.

5591748538 is a deficient number, since it is larger than the sum of its proper divisors (2824501850).

5591748538 is a wasteful number, since it uses less digits than its factorization.

5591748538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9542528.

The product of its digits is 6048000, while the sum is 55.

The square root of 5591748538 is about 74777.9950119017. The cubic root of 5591748538 is about 1774.9353716335.

The spelling of 5591748538 in words is "five billion, five hundred ninety-one million, seven hundred forty-eight thousand, five hundred thirty-eight".