54537973 has 4 divisors (see below), whose sum is σ = 62329120. Its totient is φ = 46746828.

The previous prime is 54537947. The next prime is 54537979. The reversal of 54537973 is 37973545.

It is a happy number.

54537973 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, and also an emirpimes, since its reverse is a distinct semiprime: 37973545 = 5 ⋅7594709.

It is a cyclic number.

It is not a de Polignac number, because 54537973 - 2⁵ = 54537941 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54537979) 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, 3895563 + ... + 3895576.

It is an arithmetic number, because the mean of its divisors is an integer number (15582280).

Almost surely, 2^54537973 is an apocalyptic number.

It is an amenable number.

54537973 is a deficient number, since it is larger than the sum of its proper divisors (7791147).

54537973 is an equidigital number, since it uses as much as digits as its factorization.

54537973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7791146.

The product of its digits is 396900, while the sum is 43.

The square root of 54537973 is about 7384.9829383689. The cubic root of 54537973 is about 379.2273612992.

The spelling of 54537973 in words is "fifty-four million, five hundred thirty-seven thousand, nine hundred seventy-three".