5509621126 has 12 divisors (see below), whose sum is σ = 8379210132. Its totient is φ = 2717068176.

The previous prime is 5509621099. The next prime is 5509621129. The reversal of 5509621126 is 6211269055.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5509621129) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 247816 + ... + 269131.

It is an arithmetic number, because the mean of its divisors is an integer number (698267511).

Almost surely, 2^5509621126 is an apocalyptic number.

5509621126 is a deficient number, since it is larger than the sum of its proper divisors (2869589006).

5509621126 is an equidigital number, since it uses as much as digits as its factorization.

5509621126 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517095 (or 517022 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The square root of 5509621126 is about 74226.8221467146. The cubic root of 5509621126 is about 1766.2028385691.

The spelling of 5509621126 in words is "five billion, five hundred nine million, six hundred twenty-one thousand, one hundred twenty-six".