55224209489 has 2 divisors, whose sum is σ = 55224209490. Its totient is φ = 55224209488.

The previous prime is 55224209461. The next prime is 55224209531. The reversal of 55224209489 is 98490242255.

It is a happy number.

55224209489 is digitally balanced in base 2, 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., 47866001089 + 7358208400 = 218783^2 + 85780^2 .

It is a cyclic number.

It is not a de Polignac number, because 55224209489 - 2²⁸ = 54955774033 is a prime.

It is a super-2 number, since 2×55224209489² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (55224209389) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27612104744 + 27612104745.

It is an arithmetic number, because the mean of its divisors is an integer number (27612104745).

Almost surely, 2^55224209489 is an apocalyptic number.

It is an amenable number.

55224209489 is a deficient number, since it is larger than the sum of its proper divisors (1).

55224209489 is an equidigital number, since it uses as much as digits as its factorization.

55224209489 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2073600, while the sum is 50.

The spelling of 55224209489 in words is "fifty-five billion, two hundred twenty-four million, two hundred nine thousand, four hundred eighty-nine".