55154413440205 has 16 divisors (see below), whose sum is σ = 66195707760000. Its totient is φ = 44116590306240.

The previous prime is 55154413440163. The next prime is 55154413440253. The reversal of 55154413440205 is 50204431445155.

It is a de Polignac number, because none of the positive numbers 2^k-55154413440205 is a prime.

It is a super-2 number, since 2×55154413440205² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1105473310 + ... + 1105523200.

It is an arithmetic number, because the mean of its divisors is an integer number (4137231735000).

Almost surely, 2^{55154413440205} is an apocalyptic number.

It is an amenable number.

55154413440205 is a deficient number, since it is larger than the sum of its proper divisors (11041294319795).

55154413440205 is a wasteful number, since it uses less digits than its factorization.

55154413440205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80244.

The product of its (nonzero) digits is 960000, while the sum is 43.

The spelling of 55154413440205 in words is "fifty-five trillion, one hundred fifty-four billion, four hundred thirteen million, four hundred forty thousand, two hundred five".