55445013611 has 4 divisors (see below), whose sum is σ = 59710014672. Its totient is φ = 51180012552.

The previous prime is 55445013599. The next prime is 55445013619. The reversal of 55445013611 is 11631054455.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 55445013611 - 2¹⁰ = 55445012587 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55445013619) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2132500511 + ... + 2132500536.

It is an arithmetic number, because the mean of its divisors is an integer number (14927503668).

Almost surely, 2^55445013611 is an apocalyptic number.

55445013611 is a deficient number, since it is larger than the sum of its proper divisors (4265001061).

55445013611 is a wasteful number, since it uses less digits than its factorization.

55445013611 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4265001060.

The product of its (nonzero) digits is 36000, while the sum is 35.

The spelling of 55445013611 in words is "fifty-five billion, four hundred forty-five million, thirteen thousand, six hundred eleven".