55102235 has 4 divisors (see below), whose sum is σ = 66122688. Its totient is φ = 44081784.

The previous prime is 55102231. The next prime is 55102247. The reversal of 55102235 is 53220155.

55102235 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 55102235 - 2² = 55102231 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 55102235.

It is not an unprimeable number, because it can be changed into a prime (55102231) 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 3 ways as a sum of consecutive naturals, for example, 5510219 + ... + 5510228.

It is an arithmetic number, because the mean of its divisors is an integer number (16530672).

Almost surely, 2^55102235 is an apocalyptic number.

55102235 is a deficient number, since it is larger than the sum of its proper divisors (11020453).

55102235 is a wasteful number, since it uses less digits than its factorization.

55102235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11020452.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 55102235 is about 7423.0879693023. The cubic root of 55102235 is about 380.5307334662.

The spelling of 55102235 in words is "fifty-five million, one hundred two thousand, two hundred thirty-five".