55111235 has 8 divisors (see below), whose sum is σ = 66202080. Its totient is φ = 44043264.

The previous prime is 55111219. The next prime is 55111237. The reversal of 55111235 is 53211155.

It is a happy number.

55111235 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 55111235 - 2⁴ = 55111219 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 55111235.

It is not an unprimeable number, because it can be changed into a prime (55111237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 131 + ... + 10499.

It is an arithmetic number, because the mean of its divisors is an integer number (8275260).

Almost surely, 2^55111235 is an apocalyptic number.

55111235 is a deficient number, since it is larger than the sum of its proper divisors (11090845).

55111235 is a wasteful number, since it uses less digits than its factorization.

55111235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11437.

The product of its digits is 750, while the sum is 23.

The square root of 55111235 is about 7423.6941612650. The cubic root of 55111235 is about 380.5514500497.

The spelling of 55111235 in words is "fifty-five million, one hundred eleven thousand, two hundred thirty-five".