55111124 has 12 divisors (see below), whose sum is σ = 96813024. Its totient is φ = 27450264.

The previous prime is 55111073. The next prime is 55111139. The reversal of 55111124 is 42111155.

It is a junction number, because it is equal to n+sod(n) for n = 55111096 and 55111105.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25142 + ... + 27245.

It is an arithmetic number, because the mean of its divisors is an integer number (8067752).

Almost surely, 2^55111124 is an apocalyptic number.

It is an amenable number.

55111124 is a deficient number, since it is larger than the sum of its proper divisors (41701900).

55111124 is a wasteful number, since it uses less digits than its factorization.

55111124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52654 (or 52652 counting only the distinct ones).

The product of its digits is 200, while the sum is 20.

The square root of 55111124 is about 7423.6866851989. The cubic root of 55111124 is about 380.5511945589.

Adding to 55111124 its reverse (42111155), we get a palindrome (97222279).

The spelling of 55111124 in words is "fifty-five million, one hundred eleven thousand, one hundred twenty-four".