5355254405221 has 24 divisors (see below), whose sum is σ = 6596203063320. Its totient is φ = 4320090335232.

The previous prime is 5355254405147. The next prime is 5355254405233. The reversal of 5355254405221 is 1225044525535.

It can be written as a sum of positive squares in 4 ways, for example, as 1904093652321 + 3451160752900 = 1379889^2 + 1857730^2 .

It is not a de Polignac number, because 5355254405221 - 2³⁷ = 5217815451749 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 (5355254405521) 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, 46447981 + ... + 46563133.

It is an arithmetic number, because the mean of its divisors is an integer number (274841794305).

Almost surely, 2^{5355254405221} is an apocalyptic number.

It is an amenable number.

5355254405221 is a deficient number, since it is larger than the sum of its proper divisors (1240948658099).

5355254405221 is a wasteful number, since it uses less digits than its factorization.

5355254405221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171013 (or 171006 counting only the distinct ones).

The product of its (nonzero) digits is 1200000, while the sum is 43.

The spelling of 5355254405221 in words is "five trillion, three hundred fifty-five billion, two hundred fifty-four million, four hundred five thousand, two hundred twenty-one".