5528391 has 16 divisors (see below), whose sum is σ = 8087040. Its totient is φ = 3331520.

The previous prime is 5528389. The next prime is 5528401. The reversal of 5528391 is 1938255.

It is a cyclic number.

It is not a de Polignac number, because 5528391 - 2¹ = 5528389 is a prime.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521391) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7330 + ... + 8048.

It is an arithmetic number, because the mean of its divisors is an integer number (505440).

Almost surely, 2^5528391 is an apocalyptic number.

5528391 is a deficient number, since it is larger than the sum of its proper divisors (2558649).

5528391 is a wasteful number, since it uses less digits than its factorization.

5528391 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 966.

The product of its digits is 10800, while the sum is 33.

The square root of 5528391 is about 2351.2530701734. The cubic root of 5528391 is about 176.8206232810.

The spelling of 5528391 in words is "five million, five hundred twenty-eight thousand, three hundred ninety-one".