54645973 has 8 divisors (see below), whose sum is σ = 57938328. Its totient is φ = 51362304.

The previous prime is 54645971. The next prime is 54645979. The reversal of 54645973 is 37954645.

54645973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 30272004 + 24373969 = 5502^2 + 4937^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 54645973 - 2¹ = 54645971 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 (54645971) 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 7 ways as a sum of consecutive naturals, for example, 14515 + ... + 17887.

It is an arithmetic number, because the mean of its divisors is an integer number (7242291).

Almost surely, 2^54645973 is an apocalyptic number.

It is an amenable number.

54645973 is a deficient number, since it is larger than the sum of its proper divisors (3292355).

54645973 is a wasteful number, since it uses less digits than its factorization.

54645973 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4343.

The product of its digits is 453600, while the sum is 43.

The square root of 54645973 is about 7392.2914579987. The cubic root of 54645973 is about 379.4775206373.

The spelling of 54645973 in words is "fifty-four million, six hundred forty-five thousand, nine hundred seventy-three".