54420 has 24 divisors (see below), whose sum is σ = 152544. Its totient is φ = 14496.

The previous prime is 54419. The next prime is 54421. The reversal of 54420 is 2445.

It is an interprime number because it is at equal distance from previous prime (54419) and next prime (54421).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 54420.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 394 + ... + 513.

It is an arithmetic number, because the mean of its divisors is an integer number (6356).

2⁵⁴⁴²⁰ is an apocalyptic number.

It is an amenable number.

54420 is an abundant number, since it is smaller than the sum of its proper divisors (98124).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

It is a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76272).

54420 is a wasteful number, since it uses less digits than its factorization.

54420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 919 (or 917 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 54420 is about 233.2809465001. The cubic root of 54420 is about 37.8953723903.

Adding to 54420 its reverse (2445), we get a palindrome (56865).

It can be divided in two parts, 54 and 420, that added together give a palindrome (474).

The spelling of 54420 in words is "fifty-four thousand, four hundred twenty".