55051235 has 4 divisors (see below), whose sum is σ = 66061488. Its totient is φ = 44040984.

The previous prime is 55051231. The next prime is 55051261. The reversal of 55051235 is 53215055.

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 55051235 - 2² = 55051231 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55051231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5505119 + ... + 5505128.

It is an arithmetic number, because the mean of its divisors is an integer number (16515372).

Almost surely, 2^55051235 is an apocalyptic number.

55051235 is a deficient number, since it is larger than the sum of its proper divisors (11010253).

55051235 is a wasteful number, since it uses less digits than its factorization.

55051235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11010252.

The product of its (nonzero) digits is 3750, while the sum is 26.

The square root of 55051235 is about 7419.6519460147. The cubic root of 55051235 is about 380.4132968631.

The spelling of 55051235 in words is "fifty-five million, fifty-one thousand, two hundred thirty-five".