55223144065 has 16 divisors (see below), whose sum is σ = 66406749696. Its totient is φ = 44085960000.

The previous prime is 55223144057. The next prime is 55223144101. The reversal of 55223144065 is 56044132255.

55223144065 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 55223144065 - 2³ = 55223144057 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5668939 + ... + 5678671.

It is an arithmetic number, because the mean of its divisors is an integer number (4150421856).

Almost surely, 2^55223144065 is an apocalyptic number.

It is an amenable number.

55223144065 is a deficient number, since it is larger than the sum of its proper divisors (11183605631).

55223144065 is a wasteful number, since it uses less digits than its factorization.

55223144065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12000.

The product of its (nonzero) digits is 144000, while the sum is 37.

The spelling of 55223144065 in words is "fifty-five billion, two hundred twenty-three million, one hundred forty-four thousand, sixty-five".