54400423 has 8 divisors (see below), whose sum is σ = 67824000. Its totient is φ = 42389880.

The previous prime is 54400421. The next prime is 54400447. The reversal of 54400423 is 32400445.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 54400423 - 2¹ = 54400421 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 54400394 and 54400403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54400421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 353173 + ... + 353326.

It is an arithmetic number, because the mean of its divisors is an integer number (8478000).

Almost surely, 2^54400423 is an apocalyptic number.

54400423 is a deficient number, since it is larger than the sum of its proper divisors (13423577).

54400423 is a wasteful number, since it uses less digits than its factorization.

54400423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706517.

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 54400423 is about 7375.6642412735. The cubic root of 54400423 is about 378.9082769661.

Adding to 54400423 its sum of digits (22), we get a palindrome (54400445).

Adding to 54400423 its reverse (32400445), we get a palindrome (86800868).

The spelling of 54400423 in words is "fifty-four million, four hundred thousand, four hundred twenty-three".