55223161706575 has 12 divisors (see below), whose sum is σ = 68477371919928. Its totient is φ = 44178109104800.

The previous prime is 55223161706561. The next prime is 55223161706579. The reversal of 55223161706575 is 57560716132255.

It is a de Polignac number, because none of the positive numbers 2^k-55223161706575 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55223161706579) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7812361 + ... + 13095010.

It is an arithmetic number, because the mean of its divisors is an integer number (5706447659994).

Almost surely, 2^{55223161706575} is an apocalyptic number.

55223161706575 is a deficient number, since it is larger than the sum of its proper divisors (13254210213353).

55223161706575 is a wasteful number, since it uses less digits than its factorization.

55223161706575 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21013034 (or 21013029 counting only the distinct ones).

The product of its (nonzero) digits is 13230000, while the sum is 55.

The spelling of 55223161706575 in words is "fifty-five trillion, two hundred twenty-three billion, one hundred sixty-one million, seven hundred six thousand, five hundred seventy-five".