54532147 has 4 divisors (see below), whose sum is σ = 57402280. Its totient is φ = 51662016.

The previous prime is 54532133. The next prime is 54532157. The reversal of 54532147 is 74123545.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 74123545 = 5 ⋅14824709.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-54532147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (54532157) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1435038 + ... + 1435075.

It is an arithmetic number, because the mean of its divisors is an integer number (14350570).

Almost surely, 2^54532147 is an apocalyptic number.

54532147 is a deficient number, since it is larger than the sum of its proper divisors (2870133).

54532147 is a wasteful number, since it uses less digits than its factorization.

54532147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2870132.

The product of its digits is 16800, while the sum is 31.

The square root of 54532147 is about 7384.5884787170. The cubic root of 54532147 is about 379.2138572080.

The spelling of 54532147 in words is "fifty-four million, five hundred thirty-two thousand, one hundred forty-seven".