55043450145 has 96 divisors (see below), whose sum is σ = 100538081280. Its totient is φ = 27819832320.

The previous prime is 55043450123. The next prime is 55043450171. The reversal of 55043450145 is 54105434055.

55043450145 is a `hidden beast` number, since 5 + 504 + 3 + 4 + 5 + 0 + 145 = 666.

It is not a de Polignac number, because 55043450145 - 2⁵ = 55043450113 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 21242800 + ... + 21245390.

It is an arithmetic number, because the mean of its divisors is an integer number (1047271680).

Almost surely, 2^55043450145 is an apocalyptic number.

It is an amenable number.

55043450145 is a deficient number, since it is larger than the sum of its proper divisors (45494631135).

55043450145 is a wasteful number, since it uses less digits than its factorization.

55043450145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2927 (or 2924 counting only the distinct ones).

The product of its (nonzero) digits is 120000, while the sum is 36.

The spelling of 55043450145 in words is "fifty-five billion, forty-three million, four hundred fifty thousand, one hundred forty-five".