55319267 has 2 divisors, whose sum is σ = 55319268. Its totient is φ = 55319266.

The previous prime is 55319249. The next prime is 55319273. The reversal of 55319267 is 76291355.

It is a happy number.

55319267 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 55319267 - 2¹² = 55315171 is a prime.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55319267.

It is not a weakly prime, because it can be changed into another prime (55319237) 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, 27659633 + 27659634.

It is an arithmetic number, because the mean of its divisors is an integer number (27659634).

Almost surely, 2^55319267 is an apocalyptic number.

55319267 is a deficient number, since it is larger than the sum of its proper divisors (1).

55319267 is an equidigital number, since it uses as much as digits as its factorization.

55319267 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 56700, while the sum is 38.

The square root of 55319267 is about 7437.6923168413. The cubic root of 55319267 is about 381.0296796732.

The spelling of 55319267 in words is "fifty-five million, three hundred nineteen thousand, two hundred sixty-seven".