5512821 has 4 divisors (see below), whose sum is σ = 7350432. Its totient is φ = 3675212.

The previous prime is 5512781. The next prime is 5512877. The reversal of 5512821 is 1282155.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 5512821 - 2¹¹ = 5510773 is a prime.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 5512791 and 5512800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5512121) 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, 918801 + ... + 918806.

It is an arithmetic number, because the mean of its divisors is an integer number (1837608).

Almost surely, 2^5512821 is an apocalyptic number.

It is an amenable number.

5512821 is a deficient number, since it is larger than the sum of its proper divisors (1837611).

5512821 is a wasteful number, since it uses less digits than its factorization.

5512821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1837610.

The product of its digits is 800, while the sum is 24.

The square root of 5512821 is about 2347.9397351721. The cubic root of 5512821 is about 176.6544697090.

Adding to 5512821 its reverse (1282155), we get a palindrome (6794976).

The spelling of 5512821 in words is "five million, five hundred twelve thousand, eight hundred twenty-one".