5500004921 has 2 divisors, whose sum is σ = 5500004922. Its totient is φ = 5500004920.

The previous prime is 5500004911. The next prime is 5500004953. The reversal of 5500004921 is 1294000055.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5167453225 + 332551696 = 71885^2 + 18236^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5500004921 is a prime.

It is not a weakly prime, because it can be changed into another prime (5500004911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2750002460 + 2750002461.

It is an arithmetic number, because the mean of its divisors is an integer number (2750002461).

Almost surely, 2^5500004921 is an apocalyptic number.

It is an amenable number.

5500004921 is a deficient number, since it is larger than the sum of its proper divisors (1).

5500004921 is an equidigital number, since it uses as much as digits as its factorization.

5500004921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1800, while the sum is 26.

The square root of 5500004921 is about 74162.0180483244. The cubic root of 5500004921 is about 1765.1746941127.

Adding to 5500004921 its reverse (1294000055), we get a palindrome (6794004976).

The spelling of 5500004921 in words is "five billion, five hundred million, four thousand, nine hundred twenty-one".