55512650651 has 2 divisors, whose sum is σ = 55512650652. Its totient is φ = 55512650650.

The previous prime is 55512650647. The next prime is 55512650653. The reversal of 55512650651 is 15605621555.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55512650651 - 2² = 55512650647 is a prime.

It is a super-3 number, since 3×55512650651³ (a number of 33 digits) contains 333 as substring.

Together with 55512650653, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 55512650599 and 55512650608.

It is not a weakly prime, because it can be changed into another prime (55512650653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27756325325 + 27756325326.

It is an arithmetic number, because the mean of its divisors is an integer number (27756325326).

Almost surely, 2^55512650651 is an apocalyptic number.

55512650651 is a deficient number, since it is larger than the sum of its proper divisors (1).

55512650651 is an equidigital number, since it uses as much as digits as its factorization.

55512650651 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 225000, while the sum is 41.

The spelling of 55512650651 in words is "fifty-five billion, five hundred twelve million, six hundred fifty thousand, six hundred fifty-one".