5560821 has 24 divisors (see below), whose sum is σ = 9336704. Its totient is φ = 3123360.

The previous prime is 5560801. The next prime is 5560859. The reversal of 5560821 is 1280655.

5560821 is a `hidden beast` number, since 55 + 608 + 2 + 1 = 666.

It is not a de Polignac number, because 5560821 - 2¹³ = 5552629 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 (5560801) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3120 + ... + 4566.

Almost surely, 2^5560821 is an apocalyptic number.

It is an amenable number.

5560821 is a deficient number, since it is larger than the sum of its proper divisors (3775883).

5560821 is a wasteful number, since it uses less digits than its factorization.

5560821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1521 (or 1518 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 27.

The square root of 5560821 is about 2358.1393088620. The cubic root of 5560821 is about 177.1656975591.

The spelling of 5560821 in words is "five million, five hundred sixty thousand, eight hundred twenty-one".