55223201305 has 8 divisors (see below), whose sum is σ = 66773703744. Its totient is φ = 43841319600.

The previous prime is 55223201303. The next prime is 55223201311. The reversal of 55223201305 is 50310232255.

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

It is not a de Polignac number, because 55223201305 - 2¹ = 55223201303 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55223201303) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 42154461 + ... + 42155770.

It is an arithmetic number, because the mean of its divisors is an integer number (8346712968).

Almost surely, 2^55223201305 is an apocalyptic number.

It is an amenable number.

55223201305 is a deficient number, since it is larger than the sum of its proper divisors (11550502439).

55223201305 is a wasteful number, since it uses less digits than its factorization.

55223201305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84310367.

The product of its (nonzero) digits is 9000, while the sum is 28.

The spelling of 55223201305 in words is "fifty-five billion, two hundred twenty-three million, two hundred one thousand, three hundred five".