5528421 has 12 divisors (see below), whose sum is σ = 8008000. Its totient is φ = 3675240.

The previous prime is 5528407. The next prime is 5528431. The reversal of 5528421 is 1248255.

It is a happy number.

It is not a de Polignac number, because 5528421 - 2⁵ = 5528389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5528401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3876 + ... + 5106.

Almost surely, 2^5528421 is an apocalyptic number.

It is an amenable number.

5528421 is a deficient number, since it is larger than the sum of its proper divisors (2479579).

5528421 is a wasteful number, since it uses less digits than its factorization.

5528421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1736 (or 1733 counting only the distinct ones).

The product of its digits is 3200, while the sum is 27.

The square root of 5528421 is about 2351.2594497418. The cubic root of 5528421 is about 176.8209431214.

The spelling of 5528421 in words is "five million, five hundred twenty-eight thousand, four hundred twenty-one".