5511535830 has 96 divisors (see below), whose sum is σ = 15231737664. Its totient is φ = 1377927168.

The previous prime is 5511535807. The next prime is 5511535859. The reversal of 5511535830 is 385351155.

5511535830 is a `hidden beast` number, since 551 + 1 + 53 + 58 + 3 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 395542 + ... + 409238.

It is an arithmetic number, because the mean of its divisors is an integer number (158663934).

Almost surely, 2^5511535830 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5511535830, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7615868832).

5511535830 is an abundant number, since it is smaller than the sum of its proper divisors (9720201834).

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

5511535830 is a wasteful number, since it uses less digits than its factorization.

5511535830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13990 (or 13987 counting only the distinct ones).

The product of its (nonzero) digits is 45000, while the sum is 36.

The square root of 5511535830 is about 74239.7186821179. The cubic root of 5511535830 is about 1766.4074118598.

Adding to 5511535830 its reverse (385351155), we get a palindrome (5896886985).

The spelling of 5511535830 in words is "five billion, five hundred eleven million, five hundred thirty-five thousand, eight hundred thirty".