5521055230421 has 4 divisors (see below), whose sum is σ = 5521520643552. Its totient is φ = 5520589817292.

The previous prime is 5521055230399. The next prime is 5521055230433. The reversal of 5521055230421 is 1240325501255.

It is a happy number.

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 a de Polignac number, because none of the positive numbers 2^k-5521055230421 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 (5521055230721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232688771 + ... + 232712496.

It is an arithmetic number, because the mean of its divisors is an integer number (1380380160888).

Almost surely, 2^{5521055230421} is an apocalyptic number.

It is an amenable number.

5521055230421 is a deficient number, since it is larger than the sum of its proper divisors (465413131).

5521055230421 is a wasteful number, since it uses less digits than its factorization.

5521055230421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 465413130.

The product of its (nonzero) digits is 60000, while the sum is 35.

The spelling of 5521055230421 in words is "five trillion, five hundred twenty-one billion, fifty-five million, two hundred thirty thousand, four hundred twenty-one".