55930111 has 4 divisors (see below), whose sum is σ = 55945512. Its totient is φ = 55914712.

The previous prime is 55930097. The next prime is 55930117. The reversal of 55930111 is 11103955.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 55930111 - 2²⁵ = 22375679 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55930117) 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, 1101 + ... + 10633.

It is an arithmetic number, because the mean of its divisors is an integer number (13986378).

Almost surely, 2^55930111 is an apocalyptic number.

55930111 is a deficient number, since it is larger than the sum of its proper divisors (15401).

55930111 is an equidigital number, since it uses as much as digits as its factorization.

55930111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15400.

The product of its (nonzero) digits is 675, while the sum is 25.

The square root of 55930111 is about 7478.6436604507. The cubic root of 55930111 is about 382.4270121461.

The spelling of 55930111 in words is "fifty-five million, nine hundred thirty thousand, one hundred eleven".