55693528811 has 4 divisors (see below), whose sum is σ = 55703823072. Its totient is φ = 55683234552.

The previous prime is 55693528789. The next prime is 55693528837. The reversal of 55693528811 is 11882539655.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-55693528811 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55693528841) 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, 5139011 + ... + 5149836.

It is an arithmetic number, because the mean of its divisors is an integer number (13925955768).

Almost surely, 2^55693528811 is an apocalyptic number.

55693528811 is a deficient number, since it is larger than the sum of its proper divisors (10294261).

55693528811 is a wasteful number, since it uses less digits than its factorization.

55693528811 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10294260.

The product of its digits is 2592000, while the sum is 53.

The spelling of 55693528811 in words is "fifty-five billion, six hundred ninety-three million, five hundred twenty-eight thousand, eight hundred eleven".