54539847 has 12 divisors (see below), whose sum is σ = 79348360. Its totient is φ = 36097488.

The previous prime is 54539827. The next prime is 54539869. The reversal of 54539847 is 74893545.

It is not a de Polignac number, because 54539847 - 2¹⁴ = 54523463 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54539827) 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 11 ways as a sum of consecutive naturals, for example, 20548 + ... + 23049.

Almost surely, 2^54539847 is an apocalyptic number.

54539847 is a deficient number, since it is larger than the sum of its proper divisors (24808513).

54539847 is a wasteful number, since it uses less digits than its factorization.

54539847 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43742 (or 43739 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 54539847 is about 7385.1098163805. The cubic root of 54539847 is about 379.2317048412.

The spelling of 54539847 in words is "fifty-four million, five hundred thirty-nine thousand, eight hundred forty-seven".