5513508231 has 32 divisors (see below), whose sum is σ = 9184167936. Its totient is φ = 2858268000.

The previous prime is 5513508211. The next prime is 5513508233. The reversal of 5513508231 is 1328053155.

It is not a de Polignac number, because 5513508231 - 2¹⁵ = 5513475463 is a prime.

It is a super-2 number, since 2×5513508231² = 60797546026609498722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 5513508192 and 5513508201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5513508233) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89116 + ... + 137726.

It is an arithmetic number, because the mean of its divisors is an integer number (287005248).

Almost surely, 2^5513508231 is an apocalyptic number.

5513508231 is a deficient number, since it is larger than the sum of its proper divisors (3670659705).

5513508231 is a wasteful number, since it uses less digits than its factorization.

5513508231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49123.

The product of its (nonzero) digits is 18000, while the sum is 33.

The square root of 5513508231 is about 74253.0014948891. The cubic root of 5513508231 is about 1766.6181001522.

The spelling of 5513508231 in words is "five billion, five hundred thirteen million, five hundred eight thousand, two hundred thirty-one".