54272705 has 4 divisors (see below), whose sum is σ = 65127252. Its totient is φ = 43418160.

The previous prime is 54272693. The next prime is 54272707. The reversal of 54272705 is 50727245.

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 19509889 + 34762816 = 4417^2 + 5896^2 .

It is a de Polignac number, because none of the positive numbers 2^k-54272705 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54272707) 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, 5427266 + ... + 5427275.

It is an arithmetic number, because the mean of its divisors is an integer number (16281813).

Almost surely, 2^54272705 is an apocalyptic number.

It is an amenable number.

54272705 is a deficient number, since it is larger than the sum of its proper divisors (10854547).

54272705 is a wasteful number, since it uses less digits than its factorization.

54272705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10854546.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 54272705 is about 7367.0010859236. The cubic root of 54272705 is about 378.6115186824.

The spelling of 54272705 in words is "fifty-four million, two hundred seventy-two thousand, seven hundred five".