55444245103205 has 16 divisors (see below), whose sum is σ = 76067629042944. Its totient is φ = 38004007334400.

The previous prime is 55444245103193. The next prime is 55444245103207. The reversal of 55444245103205 is 50230154244455.

It is not a de Polignac number, because 55444245103205 - 2⁶ = 55444245103141 is a prime.

It is a super-2 number, since 2×55444245103205² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55444245103207) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 310400972 + ... + 310579541.

It is an arithmetic number, because the mean of its divisors is an integer number (4754226815184).

Almost surely, 2^{55444245103205} is an apocalyptic number.

It is an amenable number.

55444245103205 is a deficient number, since it is larger than the sum of its proper divisors (20623383939739).

55444245103205 is a wasteful number, since it uses less digits than its factorization.

55444245103205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620983076.

The product of its (nonzero) digits is 1920000, while the sum is 44.

The spelling of 55444245103205 in words is "fifty-five trillion, four hundred forty-four billion, two hundred forty-five million, one hundred three thousand, two hundred five".