55455013223 has 2 divisors, whose sum is σ = 55455013224. Its totient is φ = 55455013222.

The previous prime is 55455013171. The next prime is 55455013249. The reversal of 55455013223 is 32231055455.

55455013223 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55455013223 - 2¹⁶ = 55454947687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55455013283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27727506611 + 27727506612.

It is an arithmetic number, because the mean of its divisors is an integer number (27727506612).

Almost surely, 2^55455013223 is an apocalyptic number.

55455013223 is a deficient number, since it is larger than the sum of its proper divisors (1).

55455013223 is an equidigital number, since it uses as much as digits as its factorization.

55455013223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 90000, while the sum is 35.

Adding to 55455013223 its reverse (32231055455), we get a palindrome (87686068678).

The spelling of 55455013223 in words is "fifty-five billion, four hundred fifty-five million, thirteen thousand, two hundred twenty-three".