55512231302 has 32 divisors (see below), whose sum is σ = 94813611264. Its totient is φ = 24129151200.

The previous prime is 55512231293. The next prime is 55512231311. The reversal of 55512231302 is 20313221555.

It is an interprime number because it is at equal distance from previous prime (55512231293) and next prime (55512231311).

It is a congruent number.

It is an unprimeable number.

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 in 15 ways as a sum of consecutive naturals, for example, 2143193 + ... + 2168939.

It is an arithmetic number, because the mean of its divisors is an integer number (2962925352).

Almost surely, 2^55512231302 is an apocalyptic number.

55512231302 is a deficient number, since it is larger than the sum of its proper divisors (39301379962).

55512231302 is a wasteful number, since it uses less digits than its factorization.

55512231302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30044.

The product of its (nonzero) digits is 9000, while the sum is 29.

Adding to 55512231302 its reverse (20313221555), we get a palindrome (75825452857).

The spelling of 55512231302 in words is "fifty-five billion, five hundred twelve million, two hundred thirty-one thousand, three hundred two".