5521353021 has 12 divisors (see below), whose sum is σ = 8322039648. Its totient is φ = 3520862664.

The previous prime is 5521353011. The next prime is 5521353031. The reversal of 5521353021 is 1203531255.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (5521353011) and next prime (5521353031).

It is not a de Polignac number, because 5521353021 - 2⁹ = 5521352509 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5521353001) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13336395 + ... + 13336808.

It is an arithmetic number, because the mean of its divisors is an integer number (693503304).

Almost surely, 2^5521353021 is an apocalyptic number.

It is an amenable number.

5521353021 is a deficient number, since it is larger than the sum of its proper divisors (2800686627).

5521353021 is a wasteful number, since it uses less digits than its factorization.

5521353021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26673232 (or 26673229 counting only the distinct ones).

The product of its (nonzero) digits is 4500, while the sum is 27.

The square root of 5521353021 is about 74305.8074513695. The cubic root of 5521353021 is about 1767.4555693721.

Adding to 5521353021 its reverse (1203531255), we get a palindrome (6724884276).

The spelling of 5521353021 in words is "five billion, five hundred twenty-one million, three hundred fifty-three thousand, twenty-one".