54430040 has 64 divisors (see below), whose sum is σ = 140616000. Its totient is φ = 18574848.

The previous prime is 54430031. The next prime is 54430043. The reversal of 54430040 is 4003445.

It is a happy number.

54430040 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 54429994 and 54430021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (54430043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97442 + ... + 97998.

It is an arithmetic number, because the mean of its divisors is an integer number (2197125).

Almost surely, 2^54430040 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54430040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70308000).

54430040 is an abundant number, since it is smaller than the sum of its proper divisors (86185960).

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

54430040 is a wasteful number, since it uses less digits than its factorization.

54430040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 924 (or 920 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

The square root of 54430040 is about 7377.6717194519. The cubic root of 54430040 is about 378.9770269861.

Adding to 54430040 its reverse (4003445), we get a palindrome (58433485).

The spelling of 54430040 in words is "fifty-four million, four hundred thirty thousand, forty".