54072273 has 4 divisors (see below), whose sum is σ = 72096368. Its totient is φ = 36048180.

The previous prime is 54072253. The next prime is 54072289. The reversal of 54072273 is 37227045.

54072273 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 54072273 - 2⁸ = 54072017 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 54072273.

It is not an unprimeable number, because it can be changed into a prime (54072203) 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, 9012043 + ... + 9012048.

It is an arithmetic number, because the mean of its divisors is an integer number (18024092).

Almost surely, 2^54072273 is an apocalyptic number.

It is an amenable number.

54072273 is a deficient number, since it is larger than the sum of its proper divisors (18024095).

54072273 is a wasteful number, since it uses less digits than its factorization.

54072273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18024094.

The product of its (nonzero) digits is 11760, while the sum is 30.

The square root of 54072273 is about 7353.3851388323. The cubic root of 54072273 is about 378.1448662285.

It can be divided in two parts, 54072 and 273, that added together give a palindrome (54345).

The spelling of 54072273 in words is "fifty-four million, seventy-two thousand, two hundred seventy-three".