5515630444 has 6 divisors (see below), whose sum is σ = 9652353284. Its totient is φ = 2757815220.

The previous prime is 5515630427. The next prime is 5515630451. The reversal of 5515630444 is 4440365155.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 689453802 + ... + 689453809.

Almost surely, 2^5515630444 is an apocalyptic number.

It is an amenable number.

5515630444 is a deficient number, since it is larger than the sum of its proper divisors (4136722840).

5515630444 is a wasteful number, since it uses less digits than its factorization.

5515630444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378907615 (or 1378907613 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 37.

The square root of 5515630444 is about 74267.2905389715. The cubic root of 5515630444 is about 1766.8447349804.

Adding to 5515630444 its reverse (4440365155), we get a palindrome (9955995599).

The spelling of 5515630444 in words is "five billion, five hundred fifteen million, six hundred thirty thousand, four hundred forty-four".