55681367 has 16 divisors (see below), whose sum is σ = 66673152. Its totient is φ = 45466080.

The previous prime is 55681361. The next prime is 55681369. The reversal of 55681367 is 76318655.

55681367 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 55681367 - 2⁶ = 55681303 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55681361) 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 in 15 ways as a sum of consecutive naturals, for example, 50492 + ... + 51582.

It is an arithmetic number, because the mean of its divisors is an integer number (4167072).

Almost surely, 2^55681367 is an apocalyptic number.

55681367 is a deficient number, since it is larger than the sum of its proper divisors (10991785).

55681367 is a wasteful number, since it uses less digits than its factorization.

55681367 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1438.

The product of its digits is 151200, while the sum is 41.

The square root of 55681367 is about 7461.9948405235. The cubic root of 55681367 is about 381.8592333327.

The spelling of 55681367 in words is "fifty-five million, six hundred eighty-one thousand, three hundred sixty-seven".