5521331612 has 12 divisors (see below), whose sum is σ = 9716311080. Its totient is φ = 2745242736.

The previous prime is 5521331597. The next prime is 5521331639. The reversal of 5521331612 is 2161331255.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3854963 + ... + 3856394.

It is an arithmetic number, because the mean of its divisors is an integer number (809692590).

Almost surely, 2^5521331612 is an apocalyptic number.

It is an amenable number.

5521331612 is a deficient number, since it is larger than the sum of its proper divisors (4194979468).

5521331612 is a wasteful number, since it uses less digits than its factorization.

5521331612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7711540 (or 7711538 counting only the distinct ones).

The product of its digits is 5400, while the sum is 29.

The square root of 5521331612 is about 74305.6633911575. The cubic root of 5521331612 is about 1767.4532849378.

Adding to 5521331612 its reverse (2161331255), we get a palindrome (7682662867).

The spelling of 5521331612 in words is "five billion, five hundred twenty-one million, three hundred thirty-one thousand, six hundred twelve".