55512511333 has 2 divisors, whose sum is σ = 55512511334. Its totient is φ = 55512511332.

The previous prime is 55512511303. The next prime is 55512511421. The reversal of 55512511333 is 33311521555.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 42116069284 + 13396442049 = 205222^2 + 115743^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55512511333 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55512511303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27756255666 + 27756255667.

It is an arithmetic number, because the mean of its divisors is an integer number (27756255667).

Almost surely, 2^55512511333 is an apocalyptic number.

It is an amenable number.

55512511333 is a deficient number, since it is larger than the sum of its proper divisors (1).

55512511333 is an equidigital number, since it uses as much as digits as its factorization.

55512511333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 33750, while the sum is 34.

The spelling of 55512511333 in words is "fifty-five billion, five hundred twelve million, five hundred eleven thousand, three hundred thirty-three".