55170261199321 has 32 divisors (see below), whose sum is σ = 61696352108160. Its totient is φ = 49027068619776.

The previous prime is 55170261199301. The next prime is 55170261199337. The reversal of 55170261199321 is 12399116207155.

55170261199321 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 55170261199321 - 2⁵ = 55170261199289 is a prime.

It is a super-2 number, since 2×55170261199321² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55170261199301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1376037151 + ... + 1376077243.

It is an arithmetic number, because the mean of its divisors is an integer number (1928011003380).

Almost surely, 2^{55170261199321} is an apocalyptic number.

It is an amenable number.

55170261199321 is a deficient number, since it is larger than the sum of its proper divisors (6526090908839).

55170261199321 is a wasteful number, since it uses less digits than its factorization.

55170261199321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54313.

The product of its (nonzero) digits is 1020600, while the sum is 52.

The spelling of 55170261199321 in words is "fifty-five trillion, one hundred seventy billion, two hundred sixty-one million, one hundred ninety-nine thousand, three hundred twenty-one".