55530446927 has 2 divisors, whose sum is σ = 55530446928. Its totient is φ = 55530446926.

The previous prime is 55530446897. The next prime is 55530446953. The reversal of 55530446927 is 72964403555.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55530446927 - 2¹² = 55530442831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55530446987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27765223463 + 27765223464.

It is an arithmetic number, because the mean of its divisors is an integer number (27765223464).

Almost surely, 2^55530446927 is an apocalyptic number.

55530446927 is a deficient number, since it is larger than the sum of its proper divisors (1).

55530446927 is an equidigital number, since it uses as much as digits as its factorization.

55530446927 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4536000, while the sum is 50.

The spelling of 55530446927 in words is "fifty-five billion, five hundred thirty million, four hundred forty-six thousand, nine hundred twenty-seven".