54147273 has 4 divisors (see below), whose sum is σ = 72196368. Its totient is φ = 36098180.

The previous prime is 54147257. The next prime is 54147281. The reversal of 54147273 is 37274145.

54147273 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 a cyclic number.

It is not a de Polignac number, because 54147273 - 2⁴ = 54147257 is a prime.

It is not an unprimeable number, because it can be changed into a prime (54147293) 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, 9024543 + ... + 9024548.

It is an arithmetic number, because the mean of its divisors is an integer number (18049092).

Almost surely, 2^54147273 is an apocalyptic number.

It is an amenable number.

54147273 is a deficient number, since it is larger than the sum of its proper divisors (18049095).

54147273 is a wasteful number, since it uses less digits than its factorization.

54147273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18049094.

The product of its digits is 23520, while the sum is 33.

The square root of 54147273 is about 7358.4830637843. The cubic root of 54147273 is about 378.3196185307.

The spelling of 54147273 in words is "fifty-four million, one hundred forty-seven thousand, two hundred seventy-three".