5518429 has 6 divisors (see below), whose sum is σ = 6419454. Its totient is φ = 4730040.

The previous prime is 5518423. The next prime is 5518433. The reversal of 5518429 is 9248155.

It can be written as a sum of positive squares in only one way, i.e., 5336100 + 182329 = 2310^2 + 427^2 .

It is not a de Polignac number, because 5518429 - 2⁵ = 5518397 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5518394 and 5518403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5518423) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 56262 + ... + 56359.

It is an arithmetic number, because the mean of its divisors is an integer number (1069909).

Almost surely, 2^5518429 is an apocalyptic number.

It is an amenable number.

5518429 is a deficient number, since it is larger than the sum of its proper divisors (901025).

5518429 is a wasteful number, since it uses less digits than its factorization.

5518429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112635 (or 112628 counting only the distinct ones).

The product of its digits is 14400, while the sum is 34.

The square root of 5518429 is about 2349.1336701005. The cubic root of 5518429 is about 176.7143508798.

The spelling of 5518429 in words is "five million, five hundred eighteen thousand, four hundred twenty-nine".