55385283 has 4 divisors (see below), whose sum is σ = 73847048. Its totient is φ = 36923520.

The previous prime is 55385279. The next prime is 55385293. The reversal of 55385283 is 38258355.

55385283 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 not a de Polignac number, because 55385283 - 2² = 55385279 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55385243) 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, 9230878 + ... + 9230883.

It is an arithmetic number, because the mean of its divisors is an integer number (18461762).

Almost surely, 2^55385283 is an apocalyptic number.

55385283 is a deficient number, since it is larger than the sum of its proper divisors (18461765).

55385283 is a wasteful number, since it uses less digits than its factorization.

55385283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18461764.

The product of its digits is 144000, while the sum is 39.

The square root of 55385283 is about 7442.1289292782. The cubic root of 55385283 is about 381.1811884051.

The spelling of 55385283 in words is "fifty-five million, three hundred eighty-five thousand, two hundred eighty-three".