55000560511 has 4 divisors (see below), whose sum is σ = 59231372872. Its totient is φ = 50769748152.

The previous prime is 55000560509. The next prime is 55000560521. The reversal of 55000560511 is 11506500055.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11506500055 = 5 ⋅2301300011.

It is a cyclic number.

It is not a de Polignac number, because 55000560511 - 2¹ = 55000560509 is a prime.

It is a super-2 number, since 2×55000560511² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55000560511.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55000560521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2115406161 + ... + 2115406186.

It is an arithmetic number, because the mean of its divisors is an integer number (14807843218).

Almost surely, 2^55000560511 is an apocalyptic number.

55000560511 is a deficient number, since it is larger than the sum of its proper divisors (4230812361).

55000560511 is a wasteful number, since it uses less digits than its factorization.

55000560511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4230812360.

The product of its (nonzero) digits is 3750, while the sum is 28.

The spelling of 55000560511 in words is "fifty-five billion, five hundred sixty thousand, five hundred eleven".