55611080851 has 4 divisors (see below), whose sum is σ = 55616618304. Its totient is φ = 55605543400.

The previous prime is 55611080831. The next prime is 55611080869. The reversal of 55611080851 is 15808011655.

55611080851 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 15808011655 = 5 ⋅3161602331.

It is a cyclic number.

It is not a de Polignac number, because 55611080851 - 2¹⁹ = 55610556563 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55611080821) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2753635 + ... + 2773756.

It is an arithmetic number, because the mean of its divisors is an integer number (13904154576).

Almost surely, 2^55611080851 is an apocalyptic number.

55611080851 is a deficient number, since it is larger than the sum of its proper divisors (5537453).

55611080851 is a wasteful number, since it uses less digits than its factorization.

55611080851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5537452.

The product of its (nonzero) digits is 48000, while the sum is 40.

The spelling of 55611080851 in words is "fifty-five billion, six hundred eleven million, eighty thousand, eight hundred fifty-one".