55645054655 has 16 divisors (see below), whose sum is σ = 68655178368. Its totient is φ = 43269984000.

The previous prime is 55645054649. The next prime is 55645054693.

55645054655 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 55645054655 - 2¹⁰ = 55645053631 is a prime.

It is a Duffinian number.

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, 445256 + ... + 556365.

It is an arithmetic number, because the mean of its divisors is an integer number (4290948648).

Almost surely, 2^55645054655 is an apocalyptic number.

55645054655 is a deficient number, since it is larger than the sum of its proper divisors (13010123713).

55645054655 is a wasteful number, since it uses less digits than its factorization.

55645054655 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001938.

The product of its (nonzero) digits is 9000000, while the sum is 50.

The spelling of 55645054655 in words is "fifty-five billion, six hundred forty-five million, fifty-four thousand, six hundred fifty-five".