55110711 has 4 divisors (see below), whose sum is σ = 73480952. Its totient is φ = 36740472.

The previous prime is 55110689. The next prime is 55110721. The reversal of 55110711 is 11701155.

It is a happy number.

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

It is not a de Polignac number, because 55110711 - 2⁹ = 55110199 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 (55110721) 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, 9185116 + ... + 9185121.

It is an arithmetic number, because the mean of its divisors is an integer number (18370238).

Almost surely, 2^55110711 is an apocalyptic number.

55110711 is a deficient number, since it is larger than the sum of its proper divisors (18370241).

55110711 is a wasteful number, since it uses less digits than its factorization.

55110711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18370240.

The product of its (nonzero) digits is 175, while the sum is 21.

The square root of 55110711 is about 7423.6588687789. The cubic root of 55110711 is about 380.5502439460.

Adding to 55110711 its reverse (11701155), we get a palindrome (66811866).

The spelling of 55110711 in words is "fifty-five million, one hundred ten thousand, seven hundred eleven".