54965 has 4 divisors (see below), whose sum is σ = 65964. Its totient is φ = 43968.

The previous prime is 54959. The next prime is 54973. The reversal of 54965 is 56945.

54965 = T₇₈ + T₇₉ + ... + T₉₂.

54965 is nontrivially palindromic in base 14.

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 14161 + 40804 = 119^2 + 202^2 .

It is a cyclic number.

It is not a de Polignac number, because 54965 - 2⁴ = 54949 is a prime.

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

It is a Duffinian number.

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, 5492 + ... + 5501.

It is an arithmetic number, because the mean of its divisors is an integer number (16491).

2⁵⁴⁹⁶⁵ is an apocalyptic number.

It is an amenable number.

54965 is a deficient number, since it is larger than the sum of its proper divisors (10999).

54965 is a wasteful number, since it uses less digits than its factorization.

54965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10998.

The product of its digits is 5400, while the sum is 29.

The square root of 54965 is about 234.4461558653. The cubic root of 54965 is about 38.0214560270.

The spelling of 54965 in words is "fifty-four thousand, nine hundred sixty-five".