55512202687 has 2 divisors, whose sum is σ = 55512202688. Its totient is φ = 55512202686.

The previous prime is 55512202673. The next prime is 55512202699. The reversal of 55512202687 is 78620221555.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55512202687 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55512202657) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27756101343 + 27756101344.

It is an arithmetic number, because the mean of its divisors is an integer number (27756101344).

Almost surely, 2^55512202687 is an apocalyptic number.

55512202687 is a deficient number, since it is larger than the sum of its proper divisors (1).

55512202687 is an equidigital number, since it uses as much as digits as its factorization.

55512202687 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336000, while the sum is 43.

The spelling of 55512202687 in words is "fifty-five billion, five hundred twelve million, two hundred two thousand, six hundred eighty-seven".