5515429 has 4 divisors (see below), whose sum is σ = 5839884. Its totient is φ = 5190976.

The previous prime is 5515421. The next prime is 5515439. The reversal of 5515429 is 9245155.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5062500 + 452929 = 2250^2 + 673^2 .

It is a cyclic number.

It is not a de Polignac number, because 5515429 - 2³ = 5515421 is a prime.

It is a super-3 number, since 3×5515429³ (a number of 21 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

5515429 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5515429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5515421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 162202 + ... + 162235.

It is an arithmetic number, because the mean of its divisors is an integer number (1459971).

Almost surely, 2^5515429 is an apocalyptic number.

It is an amenable number.

5515429 is a deficient number, since it is larger than the sum of its proper divisors (324455).

5515429 is a wasteful number, since it uses less digits than its factorization.

5515429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324454.

The product of its digits is 9000, while the sum is 31.

The square root of 5515429 is about 2348.4950500267. The cubic root of 5515429 is about 176.6823224922.

The spelling of 5515429 in words is "five million, five hundred fifteen thousand, four hundred twenty-nine".