5521842021 has 8 divisors (see below), whose sum is σ = 7363457280. Its totient is φ = 3680727392.

The previous prime is 5521842013. The next prime is 5521842023. The reversal of 5521842021 is 1202481255.

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

It is a cyclic number.

It is not a de Polignac number, because 5521842021 - 2³ = 5521842013 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5521842021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521842023) 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, 98616 + ... + 144113.

It is an arithmetic number, because the mean of its divisors is an integer number (920432160).

Almost surely, 2^5521842021 is an apocalyptic number.

It is an amenable number.

5521842021 is a deficient number, since it is larger than the sum of its proper divisors (1841615259).

5521842021 is a wasteful number, since it uses less digits than its factorization.

5521842021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250315.

The product of its (nonzero) digits is 6400, while the sum is 30.

The square root of 5521842021 is about 74309.0978346528. The cubic root of 5521842021 is about 1767.5077462121.

The spelling of 5521842021 in words is "five billion, five hundred twenty-one million, eight hundred forty-two thousand, twenty-one".