5528399 has 4 divisors (see below), whose sum is σ = 5663280. Its totient is φ = 5393520.

The previous prime is 5528389. The next prime is 5528401. The reversal of 5528399 is 9938255.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5528399 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (41), and also a Moran number because the ratio is a prime number: 134839 = 5528399 / (5 + 5 + 2 + 8 + 3 + 9 + 9).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5528389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67379 + ... + 67460.

It is an arithmetic number, because the mean of its divisors is an integer number (1415820).

Almost surely, 2^5528399 is an apocalyptic number.

5528399 is a deficient number, since it is larger than the sum of its proper divisors (134881).

5528399 is a wasteful number, since it uses less digits than its factorization.

5528399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134880.

The product of its digits is 97200, while the sum is 41.

The square root of 5528399 is about 2351.2547713934. The cubic root of 5528399 is about 176.8207085719.

The spelling of 5528399 in words is "five million, five hundred twenty-eight thousand, three hundred ninety-nine".