55512299 has 2 divisors, whose sum is σ = 55512300. Its totient is φ = 55512298.

The previous prime is 55512287. The next prime is 55512329. The reversal of 55512299 is 99221555.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55512299 - 2²⁰ = 54463723 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (55512229) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27756149 + 27756150.

It is an arithmetic number, because the mean of its divisors is an integer number (27756150).

Almost surely, 2^55512299 is an apocalyptic number.

55512299 is a deficient number, since it is larger than the sum of its proper divisors (1).

55512299 is an equidigital number, since it uses as much as digits as its factorization.

55512299 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 40500, while the sum is 38.

The square root of 55512299 is about 7450.6576219821. The cubic root of 55512299 is about 381.4723556800.

The spelling of 55512299 in words is "fifty-five million, five hundred twelve thousand, two hundred ninety-nine".