54745 has 4 divisors (see below), whose sum is σ = 65700. Its totient is φ = 43792.

The previous prime is 54727. The next prime is 54751.

54745 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9801 + 44944 = 99^2 + 212^2 .

It is a cyclic number.

It is not a de Polignac number, because 54745 - 2⁵ = 54713 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a plaindrome in base 15.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5470 + ... + 5479.

It is an arithmetic number, because the mean of its divisors is an integer number (16425).

2⁵⁴⁷⁴⁵ is an apocalyptic number.

It is an amenable number.

54745 is a deficient number, since it is larger than the sum of its proper divisors (10955).

54745 is a wasteful number, since it uses less digits than its factorization.

54745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10954.

The product of its digits is 2800, while the sum is 25.

The square root of 54745 is about 233.9764945459. The cubic root of 54745 is about 37.9706606404.

The spelling of 54745 in words is "fifty-four thousand, seven hundred forty-five".