5513831 has 6 divisors (see below), whose sum is σ = 5857560. Its totient is φ = 5189216.

The previous prime is 5513821. The next prime is 5513843. The reversal of 5513831 is 1383155.

It is a de Polignac number, because none of the positive numbers 2^k-5513831 is a prime.

It is a super-2 number, since 2×5513831² = 60804664593122, which contains 22 as substring.

It is a Duffinian number.

It is a plaindrome in base 9.

It is a self number, because there is not a number n which added to its sum of digits gives 5513831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5513821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9251 + ... + 9828.

It is an arithmetic number, because the mean of its divisors is an integer number (976260).

Almost surely, 2^5513831 is an apocalyptic number.

5513831 is a deficient number, since it is larger than the sum of its proper divisors (343729).

5513831 is a wasteful number, since it uses less digits than its factorization.

5513831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19113 (or 19096 counting only the distinct ones).

The product of its digits is 1800, while the sum is 26.

The square root of 5513831 is about 2348.1548075031. The cubic root of 5513831 is about 176.6652572966.

Adding to 5513831 its reverse (1383155), we get a palindrome (6896986).

The spelling of 5513831 in words is "five million, five hundred thirteen thousand, eight hundred thirty-one".