5575821 has 8 divisors (see below), whose sum is σ = 7757760. Its totient is φ = 3555552.

The previous prime is 5575819. The next prime is 5575837. The reversal of 5575821 is 1285755.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5575821 - 2¹ = 5575819 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5575811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40336 + ... + 40473.

It is an arithmetic number, because the mean of its divisors is an integer number (969720).

Almost surely, 2^5575821 is an apocalyptic number.

It is an amenable number.

5575821 is a deficient number, since it is larger than the sum of its proper divisors (2181939).

5575821 is a wasteful number, since it uses less digits than its factorization.

5575821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80835.

The product of its digits is 14000, while the sum is 33.

The square root of 5575821 is about 2361.3176406405. The cubic root of 5575821 is about 177.3248526890.

The spelling of 5575821 in words is "five million, five hundred seventy-five thousand, eight hundred twenty-one".