56550110111 has 4 divisors (see below), whose sum is σ = 61691029224. Its totient is φ = 51409191000.

The previous prime is 56550110083. The next prime is 56550110119. The reversal of 56550110111 is 11101105565.

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 56550110111 - 2¹⁸ = 56549847967 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (56550110119) 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, 2570459540 + ... + 2570459561.

It is an arithmetic number, because the mean of its divisors is an integer number (15422757306).

Almost surely, 2^56550110111 is an apocalyptic number.

56550110111 is a deficient number, since it is larger than the sum of its proper divisors (5140919113).

56550110111 is a wasteful number, since it uses less digits than its factorization.

56550110111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5140919112.

The product of its (nonzero) digits is 750, while the sum is 26.

Adding to 56550110111 its reverse (11101105565), we get a palindrome (67651215676).

It can be divided in two parts, 56550 and 110111, that added together give a palindrome (166661).

The spelling of 56550110111 in words is "fifty-six billion, five hundred fifty million, one hundred ten thousand, one hundred eleven".