54669 has 4 divisors (see below), whose sum is σ = 72896. Its totient is φ = 36444.

The previous prime is 54667. The next prime is 54673. The reversal of 54669 is 96645.

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.

It is not a de Polignac number, because 54669 - 2¹ = 54667 is a prime.

It is a super-2 number, since 2×54669² = 5977399122, which contains 22 as substring.

It is a D-number.

It is a Duffinian number.

It is a plaindrome in base 12 and base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9109 + ... + 9114.

It is an arithmetic number, because the mean of its divisors is an integer number (18224).

2⁵⁴⁶⁶⁹ is an apocalyptic number.

It is an amenable number.

54669 is a deficient number, since it is larger than the sum of its proper divisors (18227).

54669 is a wasteful number, since it uses less digits than its factorization.

54669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18226.

The product of its digits is 6480, while the sum is 30.

The square root of 54669 is about 233.8140286638. The cubic root of 54669 is about 37.9530815213.

It can be divided in two parts, 5466 and 9, that multiplied together give a palindrome (49194).

The spelling of 54669 in words is "fifty-four thousand, six hundred sixty-nine".