5511630 has 32 divisors (see below), whose sum is σ = 13553568. Its totient is φ = 1433600.

The previous prime is 5511613. The next prime is 5511641. The reversal of 5511630 is 361155.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 5511597 and 5511606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011 + ... + 3470.

It is an arithmetic number, because the mean of its divisors is an integer number (423549).

Almost surely, 2^5511630 is an apocalyptic number.

5511630 is an abundant number, since it is smaller than the sum of its proper divisors (8041938).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5511630 is a wasteful number, since it uses less digits than its factorization.

5511630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4532.

The product of its (nonzero) digits is 450, while the sum is 21.

The square root of 5511630 is about 2347.6860948602. The cubic root of 5511630 is about 176.6417472071.

Adding to 5511630 its reverse (361155), we get a palindrome (5872785).

The spelling of 5511630 in words is "five million, five hundred eleven thousand, six hundred thirty".