55000545311 has 4 divisors (see below), whose sum is σ = 57391873392. Its totient is φ = 52609217232.

The previous prime is 55000545289. The next prime is 55000545377. The reversal of 55000545311 is 11354500055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11354500055 = 5 ⋅2270900011.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55000545311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000545011) 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, 1195664006 + ... + 1195664051.

It is an arithmetic number, because the mean of its divisors is an integer number (14347968348).

Almost surely, 2^55000545311 is an apocalyptic number.

55000545311 is a deficient number, since it is larger than the sum of its proper divisors (2391328081).

55000545311 is a wasteful number, since it uses less digits than its factorization.

55000545311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2391328080.

The product of its (nonzero) digits is 7500, while the sum is 29.

The spelling of 55000545311 in words is "fifty-five billion, five hundred forty-five thousand, three hundred eleven".