55223365 has 8 divisors (see below), whose sum is σ = 66407040. Its totient is φ = 44086032.

The previous prime is 55223359. The next prime is 55223381. The reversal of 55223365 is 56332255.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55223365 - 2²³ = 46834757 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8905 + ... + 13774.

It is an arithmetic number, because the mean of its divisors is an integer number (8300880).

Almost surely, 2^55223365 is an apocalyptic number.

It is an amenable number.

55223365 is a deficient number, since it is larger than the sum of its proper divisors (11183675).

55223365 is a wasteful number, since it uses less digits than its factorization.

55223365 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23171.

The product of its digits is 27000, while the sum is 31.

The square root of 55223365 is about 7431.2424936884. The cubic root of 55223365 is about 380.8093667701.

The spelling of 55223365 in words is "fifty-five million, two hundred twenty-three thousand, three hundred sixty-five".