55223359 has 2 divisors, whose sum is σ = 55223360. Its totient is φ = 55223358.

The previous prime is 55223353. The next prime is 55223381. The reversal of 55223359 is 95332255.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55223359 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (55223353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27611679 + 27611680.

It is an arithmetic number, because the mean of its divisors is an integer number (27611680).

Almost surely, 2^55223359 is an apocalyptic number.

55223359 is a deficient number, since it is larger than the sum of its proper divisors (1).

55223359 is an equidigital number, since it uses as much as digits as its factorization.

55223359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40500, while the sum is 34.

The square root of 55223359 is about 7431.2420899874. The cubic root of 55223359 is about 380.8093529785.

The spelling of 55223359 in words is "fifty-five million, two hundred twenty-three thousand, three hundred fifty-nine".