420054 has 8 divisors (see below), whose sum is σ = 840120. Its totient is φ = 140016.

The previous prime is 420047. The next prime is 420073. The reversal of 420054 is 450024.

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

420054 is an admirable number.

420054 is a modest number, since divided by 54 gives 42 as remainder.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

420054 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34999 + ... + 35010.

It is an arithmetic number, because the mean of its divisors is an integer number (105015).

2⁴²⁰⁰⁵⁴ is an apocalyptic number.

420054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

420054 is a wasteful number, since it uses less digits than its factorization.

420054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70014.

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

The square root of 420054 is about 648.1157304062. The cubic root of 420054 is about 74.8919332514.

Adding to 420054 its reverse (450024), we get a palindrome (870078).

The spelling of 420054 in words is "four hundred twenty thousand, fifty-four".