54133647 has 4 divisors (see below), whose sum is σ = 72178200. Its totient is φ = 36089096.

The previous prime is 54133567. The next prime is 54133669. The reversal of 54133647 is 74633145.

54133647 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 a cyclic number.

It is not a de Polignac number, because 54133647 - 2¹¹ = 54131599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54133747) 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, 9022272 + ... + 9022277.

It is an arithmetic number, because the mean of its divisors is an integer number (18044550).

Almost surely, 2^54133647 is an apocalyptic number.

54133647 is a deficient number, since it is larger than the sum of its proper divisors (18044553).

54133647 is a wasteful number, since it uses less digits than its factorization.

54133647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18044552.

The product of its digits is 30240, while the sum is 33.

The square root of 54133647 is about 7357.5571353541. The cubic root of 54133647 is about 378.2878815333.

The spelling of 54133647 in words is "fifty-four million, one hundred thirty-three thousand, six hundred forty-seven".