55667593 has 2 divisors, whose sum is σ = 55667594. Its totient is φ = 55667592.

The previous prime is 55667581. The next prime is 55667629. The reversal of 55667593 is 39576655.

55667593 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 can be written as a sum of positive squares in only one way, i.e., 45118089 + 10549504 = 6717^2 + 3248^2 .

It is a cyclic number.

It is not a de Polignac number, because 55667593 - 2⁵ = 55667561 is a prime.

It is not a weakly prime, because it can be changed into another prime (55667393) 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, 27833796 + 27833797.

It is an arithmetic number, because the mean of its divisors is an integer number (27833797).

Almost surely, 2^55667593 is an apocalyptic number.

It is an amenable number.

55667593 is a deficient number, since it is larger than the sum of its proper divisors (1).

55667593 is an equidigital number, since it uses as much as digits as its factorization.

55667593 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 850500, while the sum is 46.

The square root of 55667593 is about 7461.0718398900. The cubic root of 55667593 is about 381.8277436673.

The spelling of 55667593 in words is "fifty-five million, six hundred sixty-seven thousand, five hundred ninety-three".