55005246913 has 2 divisors, whose sum is σ = 55005246914. Its totient is φ = 55005246912.

The previous prime is 55005246889. The next prime is 55005246917. The reversal of 55005246913 is 31964250055.

55005246913 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 can be written as a sum of positive squares in only one way, i.e., 36194301504 + 18810945409 = 190248^2 + 137153^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55005246913 is a prime.

It is not a weakly prime, because it can be changed into another prime (55005246917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27502623456 + 27502623457.

It is an arithmetic number, because the mean of its divisors is an integer number (27502623457).

Almost surely, 2^55005246913 is an apocalyptic number.

It is an amenable number.

55005246913 is a deficient number, since it is larger than the sum of its proper divisors (1).

55005246913 is an equidigital number, since it uses as much as digits as its factorization.

55005246913 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162000, while the sum is 40.

Adding to 55005246913 its reverse (31964250055), we get a palindrome (86969496968).

The spelling of 55005246913 in words is "fifty-five billion, five million, two hundred forty-six thousand, nine hundred thirteen".