54023421 has 16 divisors (see below), whose sum is σ = 74866688. Its totient is φ = 34614000.

The previous prime is 54023419. The next prime is 54023423. The reversal of 54023421 is 12432045.

It is an interprime number because it is at equal distance from previous prime (54023419) and next prime (54023423).

It is not a de Polignac number, because 54023421 - 2¹ = 54023419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54023423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12120 + ... + 15966.

It is an arithmetic number, because the mean of its divisors is an integer number (4679168).

Almost surely, 2^54023421 is an apocalyptic number.

It is an amenable number.

54023421 is a deficient number, since it is larger than the sum of its proper divisors (20843267).

54023421 is a wasteful number, since it uses less digits than its factorization.

54023421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4032.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 54023421 is about 7350.0626527942. The cubic root of 54023421 is about 378.0309526458.

Adding to 54023421 its reverse (12432045), we get a palindrome (66455466).

The spelling of 54023421 in words is "fifty-four million, twenty-three thousand, four hundred twenty-one".