55065485 has 4 divisors (see below), whose sum is σ = 66078588. Its totient is φ = 44052384.

The previous prime is 55065481. The next prime is 55065487. The reversal of 55065485 is 58456055.

55065485 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 can be written as a sum of positive squares in 2 ways, for example, as 8743849 + 46321636 = 2957^2 + 6806^2 .

It is a cyclic number.

It is not a de Polignac number, because 55065485 - 2² = 55065481 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (55065481) 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, 5506544 + ... + 5506553.

It is an arithmetic number, because the mean of its divisors is an integer number (16519647).

Almost surely, 2^55065485 is an apocalyptic number.

It is an amenable number.

55065485 is a deficient number, since it is larger than the sum of its proper divisors (11013103).

55065485 is a wasteful number, since it uses less digits than its factorization.

55065485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11013102.

The product of its (nonzero) digits is 120000, while the sum is 38.

The square root of 55065485 is about 7420.6121715125. The cubic root of 55065485 is about 380.4461173307.

The spelling of 55065485 in words is "fifty-five million, sixty-five thousand, four hundred eighty-five".