55223161706605 has 32 divisors (see below), whose sum is σ = 67567906867968. Its totient is φ = 43320587443200.

The previous prime is 55223161706591. The next prime is 55223161706623. The reversal of 55223161706605 is 50660716132255.

It is not a de Polignac number, because 55223161706605 - 2¹³ = 55223161698413 is a prime.

It is a super-2 number, since 2×55223161706605² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 118850035 + ... + 119313775.

It is an arithmetic number, because the mean of its divisors is an integer number (2111497089624).

Almost surely, 2^{55223161706605} is an apocalyptic number.

It is an amenable number.

55223161706605 is a deficient number, since it is larger than the sum of its proper divisors (12344745161363).

55223161706605 is a wasteful number, since it uses less digits than its factorization.

55223161706605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 466117.

The product of its (nonzero) digits is 2268000, while the sum is 49.

The spelling of 55223161706605 in words is "fifty-five trillion, two hundred twenty-three billion, one hundred sixty-one million, seven hundred six thousand, six hundred five".