5506021429 has 2 divisors, whose sum is σ = 5506021430. Its totient is φ = 5506021428.

The previous prime is 5506021399. The next prime is 5506021453. The reversal of 5506021429 is 9241206055.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4031615025 + 1474406404 = 63495^2 + 38398^2 .

It is a cyclic number.

It is not a de Polignac number, because 5506021429 - 2⁵ = 5506021397 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5506021394 and 5506021403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (5506024429) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2753010714 + 2753010715.

It is an arithmetic number, because the mean of its divisors is an integer number (2753010715).

Almost surely, 2^5506021429 is an apocalyptic number.

It is an amenable number.

5506021429 is a deficient number, since it is larger than the sum of its proper divisors (1).

5506021429 is an equidigital number, since it uses as much as digits as its factorization.

5506021429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21600, while the sum is 34.

The square root of 5506021429 is about 74202.5702317649. The cubic root of 5506021429 is about 1765.8181067196.

The spelling of 5506021429 in words is "five billion, five hundred six million, twenty-one thousand, four hundred twenty-nine".