5515630443 has 10 divisors (see below), whose sum is σ = 8239398684. Its totient is φ = 3677086908.

The previous prime is 5515630427. The next prime is 5515630451. The reversal of 5515630443 is 3440365155.

5515630443 is a `hidden beast` number, since 5 + 5 + 15 + 630 + 4 + 4 + 3 = 666.

It is not a de Polignac number, because 5515630443 - 2⁴ = 5515630427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5515630398 and 5515630407.

It is not an unprimeable number, because it can be changed into a prime (5515630343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 34047021 + ... + 34047182.

Almost surely, 2^5515630443 is an apocalyptic number.

5515630443 is a deficient number, since it is larger than the sum of its proper divisors (2723768241).

5515630443 is an equidigital number, since it uses as much as digits as its factorization.

5515630443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68094215 (or 68094206 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

The square root of 5515630443 is about 74267.2905322390. The cubic root of 5515630443 is about 1766.8447348736.

Adding to 5515630443 its reverse (3440365155), we get a palindrome (8955995598).

The spelling of 5515630443 in words is "five billion, five hundred fifteen million, six hundred thirty thousand, four hundred forty-three".