55000500274987 has 2 divisors, whose sum is σ = 55000500274988. Its totient is φ = 55000500274986.

The previous prime is 55000500274933. The next prime is 55000500275053. The reversal of 55000500274987 is 78947200500055.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55000500274987 is a prime.

It is not a weakly prime, because it can be changed into another prime (55000500274787) by changing a digit.

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 as a sum of consecutive naturals, namely, 27500250137493 + 27500250137494.

It is an arithmetic number, because the mean of its divisors is an integer number (27500250137494).

Almost surely, 2^{55000500274987} is an apocalyptic number.

55000500274987 is a deficient number, since it is larger than the sum of its proper divisors (1).

55000500274987 is an equidigital number, since it uses as much as digits as its factorization.

55000500274987 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3528000, while the sum is 52.

The spelling of 55000500274987 in words is "fifty-five trillion, five hundred million, two hundred seventy-four thousand, nine hundred eighty-seven".