55512201313 has 2 divisors, whose sum is σ = 55512201314. Its totient is φ = 55512201312.

The previous prime is 55512201299. The next prime is 55512201377. The reversal of 55512201313 is 31310221555.

55512201313 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., 51425539984 + 4086661329 = 226772^2 + 63927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55512201313 is a prime.

It is not a weakly prime, because it can be changed into another prime (55512205313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27756100656 + 27756100657.

It is an arithmetic number, because the mean of its divisors is an integer number (27756100657).

Almost surely, 2^55512201313 is an apocalyptic number.

It is an amenable number.

55512201313 is a deficient number, since it is larger than the sum of its proper divisors (1).

55512201313 is an equidigital number, since it uses as much as digits as its factorization.

55512201313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4500, while the sum is 28.

Adding to 55512201313 its reverse (31310221555), we get a palindrome (86822422868).

The spelling of 55512201313 in words is "fifty-five billion, five hundred twelve million, two hundred one thousand, three hundred thirteen".