5525669621 has 2 divisors, whose sum is σ = 5525669622. Its totient is φ = 5525669620.

The previous prime is 5525669609. The next prime is 5525669683. The reversal of 5525669621 is 1269665255.

5525669621 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5498222500 + 27447121 = 74150^2 + 5239^2 .

It is a cyclic number.

It is not a de Polignac number, because 5525669621 - 2⁶ = 5525669557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5525669221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2762834810 + 2762834811.

It is an arithmetic number, because the mean of its divisors is an integer number (2762834811).

Almost surely, 2^5525669621 is an apocalyptic number.

It is an amenable number.

5525669621 is a deficient number, since it is larger than the sum of its proper divisors (1).

5525669621 is an equidigital number, since it uses as much as digits as its factorization.

5525669621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 972000, while the sum is 47.

The square root of 5525669621 is about 74334.8479584105. The cubic root of 5525669621 is about 1767.9160489756.

The spelling of 5525669621 in words is "five billion, five hundred twenty-five million, six hundred sixty-nine thousand, six hundred twenty-one".