55210273 has 4 divisors (see below), whose sum is σ = 55248048. Its totient is φ = 55172500.

The previous prime is 55210261. The next prime is 55210279. The reversal of 55210273 is 37201255.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 55210273 - 2⁵ = 55210241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (55210279) 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, 16603 + ... + 19648.

It is an arithmetic number, because the mean of its divisors is an integer number (13812012).

Almost surely, 2^55210273 is an apocalyptic number.

It is an amenable number.

55210273 is a deficient number, since it is larger than the sum of its proper divisors (37775).

55210273 is a wasteful number, since it uses less digits than its factorization.

55210273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37774.

The product of its (nonzero) digits is 2100, while the sum is 25.

The square root of 55210273 is about 7430.3615658997. The cubic root of 55210273 is about 380.7792711136.

The spelling of 55210273 in words is "fifty-five million, two hundred ten thousand, two hundred seventy-three".