55321367 has 2 divisors, whose sum is σ = 55321368. Its totient is φ = 55321366.

The previous prime is 55321361. The next prime is 55321429. The reversal of 55321367 is 76312355.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 55321367 - 2⁴ = 55321351 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55321361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27660683 + 27660684.

It is an arithmetic number, because the mean of its divisors is an integer number (27660684).

Almost surely, 2^55321367 is an apocalyptic number.

55321367 is a deficient number, since it is larger than the sum of its proper divisors (1).

55321367 is an equidigital number, since it uses as much as digits as its factorization.

55321367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18900, while the sum is 32.

The square root of 55321367 is about 7437.8334883217. The cubic root of 55321367 is about 381.0345010928.

The spelling of 55321367 in words is "fifty-five million, three hundred twenty-one thousand, three hundred sixty-seven".