55076647 has 2 divisors, whose sum is σ = 55076648. Its totient is φ = 55076646.

The previous prime is 55076641. The next prime is 55076663. The reversal of 55076647 is 74667055.

It is a happy number.

55076647 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55076647 - 2³ = 55076639 is a prime.

It is a super-3 number, since 3×55076647³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55076641) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27538323 + 27538324.

It is an arithmetic number, because the mean of its divisors is an integer number (27538324).

Almost surely, 2^55076647 is an apocalyptic number.

55076647 is a deficient number, since it is larger than the sum of its proper divisors (1).

55076647 is an equidigital number, since it uses as much as digits as its factorization.

55076647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 176400, while the sum is 40.

The square root of 55076647 is about 7421.3642276875. The cubic root of 55076647 is about 380.4718215909.

The spelling of 55076647 in words is "fifty-five million, seventy-six thousand, six hundred forty-seven".