55123203301 has 2 divisors, whose sum is σ = 55123203302. Its totient is φ = 55123203300.

The previous prime is 55123203251. The next prime is 55123203329. The reversal of 55123203301 is 10330232155.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 53268178401 + 1855024900 = 230799^2 + 43070^2 .

It is a cyclic number.

It is not a de Polignac number, because 55123203301 - 2⁹ = 55123202789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55123203361) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27561601650 + 27561601651.

It is an arithmetic number, because the mean of its divisors is an integer number (27561601651).

Almost surely, 2^55123203301 is an apocalyptic number.

It is an amenable number.

55123203301 is a deficient number, since it is larger than the sum of its proper divisors (1).

55123203301 is an equidigital number, since it uses as much as digits as its factorization.

55123203301 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2700, while the sum is 25.

Adding to 55123203301 its reverse (10330232155), we get a palindrome (65453435456).

The spelling of 55123203301 in words is "fifty-five billion, one hundred twenty-three million, two hundred three thousand, three hundred one".