55366632106321 has 32 divisors (see below), whose sum is σ = 58353211980800. Its totient is φ = 52475999143680.

The previous prime is 55366632106319. The next prime is 55366632106333. The reversal of 55366632106321 is 12360123666355.

It is a cyclic number.

It is not a de Polignac number, because 55366632106321 - 2¹ = 55366632106319 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55366632106381) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 527153350 + ... + 527258368.

It is an arithmetic number, because the mean of its divisors is an integer number (1823537874400).

Almost surely, 2^{55366632106321} is an apocalyptic number.

It is an amenable number.

55366632106321 is a deficient number, since it is larger than the sum of its proper divisors (2986579874479).

55366632106321 is a wasteful number, since it uses less digits than its factorization.

55366632106321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107369.

The product of its (nonzero) digits is 3499200, while the sum is 49.

The spelling of 55366632106321 in words is "fifty-five trillion, three hundred sixty-six billion, six hundred thirty-two million, one hundred six thousand, three hundred twenty-one".