54430440 has 64 divisors (see below), whose sum is σ = 171892800. Its totient is φ = 13750272.

The previous prime is 54430423. The next prime is 54430469. The reversal of 54430440 is 4403445.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 54430440.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9657 + ... + 14216.

It is an arithmetic number, because the mean of its divisors is an integer number (2685825).

Almost surely, 2^54430440 is an apocalyptic number.

It is an amenable number.

54430440 is an abundant number, since it is smaller than the sum of its proper divisors (117462360).

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

54430440 is a wasteful number, since it uses less digits than its factorization.

54430440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23906 (or 23902 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 24.

The square root of 54430440 is about 7377.6988282255. The cubic root of 54430440 is about 378.9779553365.

Adding to 54430440 its reverse (4403445), we get a palindrome (58833885).

The spelling of 54430440 in words is "fifty-four million, four hundred thirty thousand, four hundred forty".