55550510111 has 4 divisors (see below), whose sum is σ = 55566992424. Its totient is φ = 55534027800.

The previous prime is 55550510089. The next prime is 55550510137. The reversal of 55550510111 is 11101505555.

It is a happy number.

55550510111 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.

It is a cyclic number.

It is not a de Polignac number, because 55550510111 - 2¹⁰ = 55550509087 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 (55550510611) 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, 8236100 + ... + 8242841.

It is an arithmetic number, because the mean of its divisors is an integer number (13891748106).

Almost surely, 2^55550510111 is an apocalyptic number.

55550510111 is a deficient number, since it is larger than the sum of its proper divisors (16482313).

55550510111 is a wasteful number, since it uses less digits than its factorization.

55550510111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16482312.

The product of its (nonzero) digits is 3125, while the sum is 29.

The spelling of 55550510111 in words is "fifty-five billion, five hundred fifty million, five hundred ten thousand, one hundred eleven".